Our Team

Problem-Solving People

We’re leaders and collaborators. Across practices and departments, we share a drive to find practical and creative solutions, no matter the task at hand. Our shared commitment keeps us inspired and moving forward, together.

Calvin.headshot.2022_New Website
“Whether I'm solving complex stormwater issues or fishing in the Pacific Northwest's pristine waters, my passion for understanding and preserving our waterways is what truly guides me.”

Calvin Blackwell, EIT

Project Engineer

Calvin Blackwell, EIT

Licenses and Certifications

Engineer-in-Training

Education

BS, Environmental Engineering, University of Vermont

Calvin is an engineer-in-training with research experience in sediment transportation and streambank erosion, as well as suspended sediment and algae bloom monitoring through LANDSAT and Sentinel satellite imagery. He has experience with various GIS programs and CADD software. His strong passion for stormwater is what drew him to the Pacific Northwest and to applying his experience within our Transportation Drainage team.

Chris.headshot.2023_New Website
“The true measure of an engineer’s success is the positive change they bring to society and the environment.”

Christopher Boykin-Terrell

Engineering Intern

Christopher Boykin-Terrell

Education

BE, Civil Engineering, Washington State University (current student)

BS, Engineering Physics/Applied Physics, Whitworth University (current student)

Christopher is currently completing his undergraduate degrees and working as an engineering intern at Osborn Consulting. He primarily supports our Eastern Washington practice in stormwater planning and design work. Christopher excels in collaborating with others and understands the importance of strong relationships as the bedrock of quality engineering solutions.

Ann.headshot.2020_New Website
“Having the opportunity to both restore our existing infrastructure and leverage innovative solutions to address challenges and ensure future growth is what makes my work exciting.”

Ann Bryant, PE

Senior Project Manager

Ann Bryant, PE

Licenses and Certifications

Professional Engineer (WA)

NASSCO PACP, MACP, LACP

Education

BS, Civil Engineering, Gonzaga University

Ann is a Senior Project Manager focused on water resources condition assessment, rehabilitation, and planning work. Her experience involves a variety of complex municipal storm, sewer, and water system projects. As a NASSCO-certified engineer, she has led multiple condition assessment programs and rehabilitation projects using both trenchless and open cut methods, resulting in more resilient utility infrastructure for local cities. Ann has worked with agencies throughout the Pacific Northwest to identify, plan, and design capital improvement projects as part of larger planning efforts, such as basin, master, and comprehensive plans.

Cheyenne.headshot.2022_New Website
“Knowing your strengths and those of your team makes for an efficient design.”

Cheyenne Covington, PE

Technical Service Manager and Senior Project Manager

Cheyenne Covington, PE

Licenses and Certifications

Professional Engineer (WA, CA)

ENVISION Sustainability Professional

LEED Accredited Professional

Certified Erosion and Sediment Control Lead (CESCL)

Education

BS/BA, Civil Engineering, Water Resources & Environmental Engineering, Oregon State University

Cheyenne serves as a Technical Service Manager and Senior Project Manager for complex stormwater, sewer and infrastructure improvement projects through the Pacific Northwest. He has extensive experience in stormwater model analysis, conveyance sizing, flood mitigation, stream and culvert retrofits, detention and water quality design, waterline relocations and Green Stormwater Infrastructure / LID implementation. Cheyenne takes project from concept design through final plans, specifications, and cost estimates.

cheyennec@osbornconsulting.com

Courtney_Headshot_2023_New Website
“I am passionate about creating accessible spaces and take pride in knowing my work has a positive impact on people's day-to-day lives.”

Courtney Dale, PE

Civil Engineer

Courtney Dale, PE

Licenses and Certifications

Professional Engineer (WA, ID, OR)

Education

BS, Civil Engineering, University of Portland

Courtney’s experience is wide ranging, with a strong background in site development and utility system assessments. Her site design work has included a focus on ADA accessible parking and site layouts. She has worked on all stages of projects, from pre-design through PS&E documents and construction support. She has experience with Civil 3D, SWMM, and WWHM.

Brendan.headshot.2023_New Website
“I strive to improve my community by 1% with every project.”

Brendan Doohan, EIT

Project Engineer

Brendan Doohan, EIT

Licenses and Certifications

Engineer-in-Training

Education

BS, Civil Engineering, University of Portland

Brendan is an engineer-in-training who is passionate about supporting water resource engineering. During his senior year at the University of Portland, he worked alongside TriMet to design a pedestrian bridge for vertical loads. Since joining Osborn, Brendan has had the opportunity to work on water resource infrastructure, city infrastructure, and site development projects. He enjoys the creativity, collaboration, and real-world application present in every project that comes through the door.

Megan.headshot.2022_New Website

Megan Ehlebracht, EIT

Project Engineer

Megan Ehlebracht, EIT

Licenses and Certifications

Engineer-in-Training

WSDOT Highway Runoff Manual (HRM) Training

WSDOT Fish Passage and Stream Restoration Design Training

Education

BS, Civil Engineering, Entrepreneurial Leadership Minor, Gonzaga University

Megan is an engineer-in-training with experience with HEC-RAS, StormShed3G, AutoCAD, QGIS, and technical writing. She has applied those skills to transportation drainage and watershed planning projects in the Inland Pacific Northwest. She is most interested in green stormwater infrastructure and stream restoration.

Doug.headshot.2021_New Website
“I take pride in designing solutions that improve my community and protect our natural resources.”

Doug Ehlebracht, PE

Civil Engineer

Doug Ehlebracht, PE

Licenses and Certifications

Professional Engineer (WA)

WSDOT Fish Passage and Stream Restoration Design Training

Education

BS, Civil Engineering, Gonzaga University

Doug is a Civil Engineer who has experience in design of stream restoration, fish passage, and stormwater projects. He performs hydrologic and hydraulic analysis, creates AutoCAD Civil 3D project drawings, and develops reports, project costs, specifications, and permits. He is experienced with modeling software such as HEC-RAS, SRH-2D, and WWHM, and well versed in fish passage design including conducting reach surveys to determine stream morphology and streambed designs.

Evan_Headshot_2023_New Website
“Never stop exploring. This world and everything in it has so much to offer. Take advantage of your time here and seek it out.”

Evan Estelle, PE

Project Manager

Evan Estelle, PE

Licenses and Certifications

Professional Engineer (WA)

Certified Erosion and Sediment Control Lead (CESCL)

Occupational Safety and Health Administration (OSHA30) Trained

Education

BS, Civil Engineering, University of Washington

Evan is a Project Manager with experience in heavy civil construction and structural design. He uses his technical skills and field experience to help identify constructability issues, coordinate design teams, guide field engineers, and help projects meet and exceed their goals. Evan seeks out new challenges and thrives when problems arise that need to be solved. He combines a results-driven approach with strong communications skills to deliver on project objectives.

Isaac_Headshot_2023_New Website
“Collaborating with our team to enhance fish habitats is a passion I deeply enjoy.”

Isaac Fournier, PE

Civil Engineer

Isaac Fournier, PE

Licenses and Certifications

Professional Engineer (WA)

WSDOT Highway Runoff Manual (HRM) Training

WSDOT Fish Passage and Stream Restoration Design Training

Education

BS, Civil Engineering, Boise State University

BS, Biological Science, University of Vermont

Isaac stands out with his robust expertise in water resources. His career spans a diverse range of applications, from culvert replacements and habitat restoration to stormwater design.

Specializing in hydrologic and hydraulic modeling, Isaac’s contributions have been pivotal in numerous fish barrier removal and habitat restoration projects. Beyond his engineering acumen, he brings a unique blend of biological science knowledge, particularly in monitoring, fieldwork, species identification, and sustainable fisheries management. Isaac’s genuine passion for stream and habitat improvement is evident in every project, underscoring his commitment to ecological excellence.

Nina_Headshot_2023_New Website
“I enjoy problem solving with other disciplines to help make my community a better place.”

Janina Glovatchi, PE

Project Manager

Janina Glovatchi, PE

Licenses and Certifications

Professional Engineer (WA)

WSDOT Highway Runoff Manual (HRM) Training

Education

BS Civil Engineering, University of Illinois at Urbana-Champaign

Janina’s area of expertise is managing and delivering stormwater design solutions. She develops drainage, utility, grading, and erosion control plans for roadways and site development projects. In addition, she has extensive experience in hydrologic and hydraulic modeling, roadway drainage design, writing hydraulic reports, and designing erosion and sediment control elements. Janina is highly adept at using ArcGIS, MicroStation, HEC-RAS, StormCAD, and SWMM software to design stormwater solutions.

Matthew.headshot.2019_New Website
“I craft resilient solutions for the health of our ecosystems and our communities alike.”

Matthew Gray, PE

Senior Project Manager

Matthew Gray, PE

Licenses and Certifications

Professional Engineer (WA)

WSDOT Fish Passage and Stream Restoration Design Training

Education

MS, Civil Engineering, Colorado State University

BS, Civil Engineering, University of Washington

As Senior Project Manager for Natural Resources, Matthew plans, analyzes, designs, and manages a wide range of projects, including levee assessments, flood protection and floodplain studies, fish passage and culvert replacement projects, wetland mitigation and river restoration projects, stormwater, as well as various hydrologic and hydraulic basin studies.

Matthew has worked with federal, state, tribal staff, and local agencies to lead multidisciplinary teams for complex projects throughout Washington State.

Terrence.headshot.2023_New Website
“Enhancing our stormwater infrastructure to deliver a greener future!”

Terrence Hew, PE

Civil Engineer

Terrence Hew, PE

Licenses and Certifications

Professional Engineer (WA)

WSDOT Highway Runoff Manual (HRM) Training

Certified Erosion and Sediment Control Lead (CESCL)

Education

BS, Civil Engineering, California State University, Los Angeles

Terrence brings experience in civil engineering project design and management focused on transportation drainage. He has served in multiple engineering and public works roles for various cities throughout Washington, southern California, and Nevada. Terrence is well versed in the development and evaluation of design alternatives, project cost estimating, coordination with public agencies and utility owners, preparation of project plans and specifications, contract administration, construction phase engineering support, and construction management.

Dave.headshot.2018_New Website
“Wanting my kids' kids to enjoy Tin Cup Creek, Montana, as I did, is what drives my passion for protecting the environment.”

David Jacobs, PE

Business Development Manager and Senior Project Manger

David Jacobs, PE

Licenses and Certifications

Professional Engineer (WA)

Education

MS, Civil Engineering, University of Washington

BS, Civil Engineering, Seattle University

Dave serves as the Business Development Manager at Osborn Consulting, where his primary focus is cultivating trusted relationships with our partner clients. With more than two decades of professional engineering experience, he specializes in overseeing complex stormwater, wastewater, and combined sewer projects. Dave’s unwavering commitment to sustainable solutions has consistently shone through as he leads collaborative teams and champions innovation in tackling the diverse challenges faced by modern utilities, cities, and counties.

davidj@osbornconsulting.com

Lydia.headshot.2023_New Website
“Every day, I'm motivated by the opportunity to make a positive impact on our environment.”

Lydia Jacobs, PE

Civil Engineer

Lydia Jacobs, PE

Licenses and Certifications

Professional Engineer (WA)

WSDOT Highway Runoff Manual (HRM) Training

Education

Master of Integrated Water Management, University of Queensland

BS Civil Engineering, University of Minnesota

Lydia has experience in all phases of civil design, plan and specification preparation, and construction support. She focuses on conveyance design for transportation and water resource projects and has experience working on WSDOT fish passage culvert replacements, roundabout construction, and roadway improvements projects. Her Masters in Integrated Water Management provides her with a unique perspective for tackling complex water challenges, while her clear and concise communication skills ensure projects are successfully completed to meet client expectations.

Kelsie.headshot.2021_New Website
“I enjoy looking at a design from the constructability angle and working through each construction step to make sure a design is buildable.”

Kelsie Jeppesen

Alternative Delivery Practice Lead

Kelsie Jeppesen

Licenses and Certifications

Certified Erosion and Sediment Control Lead (CESCL)

Occupational Safety and Health Administration (OSHA) Training

Education

BS, Construction Management, University of Washington

Kelsie leads Osborn Consulting’s Alternative Delivery practice, leveraging her experience in the construction industry to effectively partner and deliver design-build projects. Her heavy civil construction background informs her approach to project management and helps her to anticipate common constructability pitfalls during design; saving time and costly changes.

Kelsie thrives on tackling new challenges in each of her projects and especially enjoys opportunities to develop skills, streamline procedures, and experience different scopes of work. In all, she is an expert in identifying and mitigating project risk.

kelsiej@osbornconsulting.com

Kayla.headshot.2023_New Website
“Getting to work with people that feel like family and at a place that fulfills my passion for restoring the natural environment is very rewarding.”

Kayla Kassa, PE

Civil Engineer

Kayla Kassa, PE

Licenses and Certifications

Professional Engineer (WA, ID, MT, OR)

WSDOT Fish Passage and Stream Restoration Design Training

Education

MS, Biological and Agricultural Engineering, North Carolina State University

BS, Civil Engineering, Gonzaga University

Kayla has experience managing and working on a variety of projects that focus on her passion for the environment. This includes stream restoration, bank stabilization, sediment transport, salmon recovery, implementation of beaver dam analogues, dam breach analysis and removal, bridge and culvert replacement, floodplain mapping and analysis, stormwater management, environmental permitting, and agency coordination and outreach. She is passionate about mentorship and founded the Osborn Consulting Mentorship Program. She also volunteers at Gonzaga University.

Jamie_Headshot_2023_New Website
“I love solving problems and positively impacting the world.”

Jamie Kauffman, EIT

Project Engineer

Jamie Kauffman, EIT

Licenses and Certifications

Engineer-in-Training

BS, Civil Engineering, Seattle University

NASSCO PACP

Education

BS, Civil Engineering, Seattle University

Jamie is an Engineer-in-Training focused on water resources engineering. He recently graduated from Seattle University, where he completed a senior design project that designed a boardwalk to improve salmon habitat and eliminate flooding disruptions along a multi-use trail. Jamie is interested in improving water quality and habitat, as well as implementing green stormwater infrastructure.

Indu.headshot.2020_New Website
“Figuring out where the rain will go and how clean it will be when it gets there is a fun and exciting challenge.”

Indu Lekshmi, PE

Civil Engineer

Indu Lekshmi, PE

Licenses and Certifications

Professional Engineer (WA)

Education

MS, Hydrology and Hydrodynamics in Civil Engineering, University of Washington

M.Tech., Hydraulics and Water Resources in Civil Engineering, Indian Institute of Technology

B.Tech., Agricultural Engineering, Kerala Agricultural University

Indu manages and supports a variety of water resources projects involving stormwater retrofits, small drainage improvements, site prioritization, culvert replacements, basin planning, and H&H modeling. She regularly coordinates data inventory, condition assessment, and asset management projects for local cities. Indu has experience with programs such as PCSWMM, ArcGIS, HEC-RAS, MGSFlood, WWHM, etc. She brings experience developing construction documents and coordinating with utility providers.

Chang.headshot.2022_New Website
“Embracing the potential of green stormwater solutions, I believe in the power of creativity to shape a better world.”

Chang Liu, PE

Civil Engineer

Chang Liu, PE

Licenses and Certifications

Professional Engineer (WA)

NASSCO PACP

Inspection Training Certification Program (ITCP)

Ecology LID Design Certification

Education

BS, Civil and Environmental Engineering, Seattle University

Chang has extensive experience with water resources engineering, including conveyance systems, green stormwater infrastructure, water quality facilities, culvert assessments, basin planning, and H&H modeling. He enjoys supporting local agencies with infrastructure condition assessments, prioritization, and repair programs to ensure their critical systems are functioning effectively. Chang is also passionate about finding sustainable stormwater solutions that are forward-thinking and make use of the latest technologies.

Masako.headshot.2021_New Website
“I enjoy being creative in producing things humans and the environment can both appreciate.”

Masako Lo, PE

Senior Civil Engineer

Masako Lo, PE

Licenses and Certifications

Professional Engineer (WA)

Education

BS, Civil Engineering, University of Washington

Masako has more than three decades of civil engineering and drainage design experience for municipal utilities, including flood control, creek and fish passage restoration, and GSI. Her experience includes stormwater infrastructure planning, CIP project development and execution, constructability review, and GSI asset management planning and operation.

Joan.headshot.2020_New Website

Joan Montgomery, PE

Senior Civil Engineer

Joan Montgomery, PE

Licenses and Certifications

Professional Engineer (WA)

NASSCO PACP

Education

BS, Civil Engineering, Washington State University

Joan has decades of experience in civil engineering with an extensive background in site design, including stormwater conveyance systems, detention storage facilities, and utilities, including CSO analysis and design. Her diverse background also includes design experience in traffic planning and operations, work zone traffic control, signal design, roadway design, and roadway and pedestrian lighting design. She has in-depth knowledge of analysis and design software including AutoCAD/AutoCAD Civil 3-D, WWHM, AGI32, ArcGIS, Synchro/SimTraffic, and HCS. Joan organizes resources and tasks effectively and works proficiently on multi-discipline projects.

Will.headshot.2023_New Website
“I am fascinated by the natural world and preserving the invaluable resource of water.”

Will Muawad, EIT

Project Engineer

Will Muawad, EIT

Licenses and Certifications

Engineer-in-Training

Certified FAA Part 107 Drone Pilot

Education

BS, Environmental Engineering, University of Michigan

Will is an engineer-in-training focused on water resources, with a background in stream restoration design during his time spent previously working post-grad in the southeastern US. He has excitedly entered the world of stormwater engineering, learning flow modeling, and further developing his AutoCAD Civil 3D skills.

Deepa.headshot.2020_New Website

Deepa Mungasavalli, PE

Transportation Drainage Practice Lead

Deepa Mungasavalli, PE

Licenses and Certifications

Professional Engineer (WA)

Certified Erosion and Sediment Control Lead (CESCL)

WSDOT Highway Runoff Manual (HRM) Training

WSDOT Fish Passage and Stream Restoration Design Training

Education

MS, Environmental Systems Engineering, University of Regina

Deepa leads Osborn Consulting’s Transportation Drainage practice and brings experience focused on surface water engineering and modeling. Deepa has worked on several design build (WSDOT and Sound Transit) and local agency stormwater projects. Her main focus has been on transportation drainage design, hydrologic and hydraulic modeling and analysis, neighborhood drainage improvements, stormwater planning and design projects including project ranking and prioritization, temporary erosion and sediment control design, environmental compliance involving permit coordination, compliance regulation (NPDES and Sewer Discharge Permits), and field inspections. Deepa has excellent record of meeting client schedules and completing work with a high degree of accuracy and competence. She is currently the co-chair for the ASCE Seattle Section Water Resources Committee.

deepa@osbornconsulting.com

Jason.headshot.2023_New Website
“I feel like every day my team and I are able to make the world a better place through the work that we do.”

Jason Neibergs, PE

Civil Engineer

Jason Neibergs, PE

Licenses and Certifications

Professional Engineer (WA, MT)

WSDOT Fish Passage and Stream Restoration Design Training

Education

MS, Natural Resources, Montana State University (ongoing)

BS, Civil Engineering, Gonzaga University

Jason’s experience is in the design of fish passage, stream restoration, and civil design projects. He performs hydrologic and hydraulic analysis, creates AutoCAD Civil 3D and MicroStation project drawings, and develops reports, project costs, specifications, and permits. Jason is experienced with modeling software including SRH-2D, HEC-RAS, HEC-HMS, and FHWA Hydraulic Toolbox, and is well versed in stream simulation culvert design, including conducting reach surveys to determine stream morphology and streambed designs.

Sophia.headshot.2023_New Website
“I am passionate about site and stormwater design; providing a safe environment for the public and guiding the ‘flow’ towards a sustainable future.”

Sophia Nespor, EIT

Civil Engineer

Sophia Nespor, EIT

Licenses and Certifications

Engineer-in-Training

LEED Green Associate

Education

BS, Civil Engineering, Gonzaga University

Sophia designs and analyzes stormwater solutions for a broad range of projects throughout Washington State. She has extensive experience working on projects from site analysis and selection through modeling, design, and construction. Her design work includes stormwater BMPs and flow control, right-of-way coordination with multiple utility conflicts, site grading and layout, water distribution, erosion control, and site circulation for pedestrians and vehicles. She has supported multiple projects, which are funded through Washington State Department of Ecology and are designed according to Eastern Washington and Spokane regional stormwater design standards.

Leland.headshot.2021_New Website
“Stormwater engineering flows with the currents of innovation, shaping a sustainable future drop by drop.”

Leland O’Hanlon, PE

Civil Engineer

Leland O’Hanlon, PE

Licenses and Certifications

Professional Engineer (WA)

Certified Erosion and Sediment Control Lead (CESCL)

NASSCO PACP

Education

BS, Civil Engineering, Gonzaga University

Leland is a Professional Engineer with experience in Civil3D, MGSFLood, MicroStation, SSA, and technical writing. He leverages these skills to create stormwater networks and model stormwater BMPs. Leland has had the opportunity to work on projects that involve designing stormwater and sanitary sewer repairs, new pipelines, and condition assumptions of existing pipe infrastructure.

Tarelle.headshot.2021_New Website
“Creating opportunities for likeminded problem solvers is my passion, so much so it’s in our mission statement. It’s enabled us to buck industry norms with diverse leaders and owners.”

Tarelle Osborn, PE, CPESC

President and Principal Engineer

Tarelle Osborn, PE, CPESC

Licenses and Certifications

Professional Engineer (WA, OR, and CA)

Certified Erosion and Sediment Control Lead (CESCL)

Certified Professional in Erosion andSediment Control (CPESC)

Education

BS, Civil Engineering, Rose-Hulman Institute of Technology

As President and Principal Engineer of Osborn Consulting, Tarelle takes pride in her work and in delivering a quality and innovative product. A recognized leader in surface water planning and design, her expertise spans a variety of project types, including hydraulic and hydrologic analysis, for all manner of clients.

Her technical experience encompasses both multidisciplinary alternative delivery and traditional bid build contracts, as well as standalone stormwater driven projects. Clients appreciate Tarelle for her collaborative style and attentive project management.

tarelle@osbornconsulting.com

Robert_Headshot_2023_New Website
“I love it when it rains; I get to see my hard work in action.”

Robert Parish, PE

Director of Excellence and Innovation and VP

Robert Parish, PE

Licenses and Certifications

Professional Engineer (WA)

LID Certification

Education

BS, Civil Engineering, Rutgers University

BA, Economics, Rutgers University

As Director of Excellence and Innovation, Robert finds ways to do things better and more efficiently across Osborn Consulting’s practices. He and his team solve complex issues by identifying projects that would benefit from innovation. Robert also works with practice leads on technical training needs and provides consistency in how we deliver our technical work.

Robert’s extensive engineering experience includes local public- and private-sector projects. He has provided drainage, utility, grading, ADA, and paving design solutions for cities, airports, parks, affordable housing agencies, universities, and private clients.

robertp@osbornconsulting.com

Maria.headshot.2023_New Website
“I am honored to drive the future of our water resources endeavors with a dedicated team and passionate about transferring knowledge to our next generation of talent.”

Maria Peraki, PhD, PE

Water Resources Practice Lead

Maria Peraki, PhD, PE

Licenses and Certifications

Professional Engineer (WA)

Certified Erosion and Sediment Control Lead (CESCL)

WSDOT Highway Runoff Manual (HRM) Training

Education

PhD, Civil and Environmental Engineering, University of Vermont

MEng and BSc Environmental Engineering, Technical University of Crete, Greece

Maria leads Osborn Consulting’s Water Resources practice. She is the project manager for a variety of planning and design projects in Western Washington focused on GSI, stormwater conveyance, regional water quality or detention facilities, culvert replacement, and creek restoration, among others.

With a PhD in civil & environmental engineering, her deep experience includes modeling of groundwater flow and contaminant transport, stormwater hydrologic and hydraulic modeling, runoff calculations, conveyance sizing, flow control and treatment facility design, and TESC design and Stormwater Pollution Prevention Plans (SWPPP).

mariap@osbornconsulting.com

Ronnie.headshot.2022_New Website
“I love that the people I work with are all willing to help, lend an ear, and assist in each other’s growth.”

Ronnie Piechowski, EIT

Project Engineer

Ronnie Piechowski, EIT

Licenses and Certifications

Engineer-in-Training

WSDOT Highway Runoff Manual (HRM) Training

Education

BS, Civil Engineering, Gonzaga University

Ronnie is an engineer-in-training with experience in hydraulic modeling, alternatives analysis, PS&E package creation, basin planning, conveyance system design, and industrial SWPPP writing. She works primarily on drainage projects throughout eastern and central Washington and is most interested in green stormwater infrastructure and positively impacting communities and the environment. As a member of the Student and Young Professionals group in PNCWA and serving as Networking Chair of Osborn’s own Emerging Leaders Group, she is passionate about helping others grow and learn in this industry.

Kayt_Headshot_2023_New Website
“Knowing that the work I do contributes to the sustainability of the environment gives me great pride.”

Katlyn Riggs-Mills, EIT

Project Engineer

Katlyn Riggs-Mills, EIT

Licenses and Certifications

Engineer-in-Training

Education

BS, Civil Engineering, University of Washington

AS, Track 2, Seattle Central College

Katlyn is an engineer-in-training in our Transportation Drainage team. She recently graduated from the civil engineering program at the University of Washington, where her degree emphasized water resource engineering. Katlyn is passionate about stormwater management and helping ensure the sustainability of the environment and the safety of the public.

Laura.headshot.2020_New Website
“I enjoy breaking down complex problems into bite-sized pieces.”

Laura Ruppert, PE

Director of Operations and VP

Laura Ruppert, PE

Licenses and Certifications

Professional Engineer (WA)

Education

BS, Civil Engineering, University of Washington

As Osborn Consulting’s Director of Operations, Laura guides our technical practices and provides the vision for efficient, collaborative procedures across the company, benefitting our people and our clients alike.

Laura’s professional surface water engineering experience includes hydrologic and hydraulic modeling, surface water management planning, surface and stormwater design, and preparation of construction documents (PS&E). She routinely manages surface water on-call contracts, specializing in stormwater retrofit and fish passage improvement. Whatever the project at hand, her organization and strong attention to detail enable success.

laura@osbornconsulting.com

Tom.headshot.2020_New Website
“I love the challenge of communicating complex technical concepts.”

Tom Spangenberg, PE

Senior Civil Engineer

Tom Spangenberg, PE

Licenses and Certifications

Professional Engineer (WA)

WSDOT Fish Passage and Stream Restoration Design Training

Education

MS, Civil Engineering, University of California, Berkley

BS, Electrical Engineering, University of Texas, Austin

Tom brings decades of expertise in hydraulic, hydrologic, and drainage engineering, complemented by a strong foundation in utility engineering for WSDOT projects. They are adept in hydraulic and hydrologic modeling, covering diverse areas from urban stormwater analysis to FEMA floodplain mapping and fish passage evaluations. With a track record of successful projects in the Puget Sound region, Tom’s proficiency spans from conceptual design to the preparation of construction documents. Their vast experience has solidified their reputation as a trusted expert in water resources engineering.

Swapna.headshot.2023_New Website
“I wake up each day, excited to lead our transportation drainage projects. Coming from a developing country with developing infrastructure, I realized early in my childhood that the importance of stormwater drainage cannot be underestimated. Some of the greater things life are unseen.”

Swapna Sridharan, PE

Project Manager

Swapna Sridharan, PE

Licenses and Certifications

Professional Engineer (WA)

WSDOT Highway Runoff Manual (HRM) Training

Education

MS, Civil and Environmental Engineering, Carnegie Mellon University

BS, Engineering, Anna University

Swapna is a project manager and a stormwater/drainage lead for roadway and site development projects. Swapna brings a breadth of experience managing both large state intersection projects as well as city capital improvement projects. She excels in project and people management, leading engineering teams, organizing and managing project goals and providing interdisciplinary collaboration to solve complex problems. She is most often appreciated by our clients for successfully meeting project schedules, code and stakeholder requirements while providing high quality deliverables.

Joey.headshot.2021_New Website
“Boats entertain me, burritos sustain me, and Osborn trains me to save the fish.”

Joey Swinford, EIT

Project Engineer

Joey Swinford, EIT

Licenses and Certifications

Engineer-in-Training

WSDOT Highway Runoff Manual (HRM) Training

WSDOT Fish Passage and Stream Restoration Design Training

Education

BS, Civil Engineering, Washington State University

Joey grew up with a deep appreciation for aquatic life and loves to get his feet wet. After working on a fish passage design project at Washington State University, he joined Osborn Consulting as an Engineer-in-Training for the Natural Resources team. Joey works for the wellbeing of our water systems by supporting fish passage, stream restoration, bank stabilization, stormwater drainage, and civil utility projects. He develops hydrologic and hydraulic models, and assists the production of reports, permits, plans, and cost estimates. He is versed in AutoCAD Civil 3D, SRH-2D, ArcMap, MGSFlood, WWHM, and StormShed3G.

Katrina_Headshot_2023_New Website
“I love how Osborn Consulting fosters an environment that allows me to learn new skills and discover what I am passionate about.”

Katrina Tang

Project Engineer

Katrina Tang

Licenses and Certifications

Engineer-in-Training

Education

BS, Environmental Engineering and Civil Engineering, University of California Davis

Katrina graduated from the University of California, Davis, where her senior design project was a water reuse project with an emphasis in agricultural applications in Sicily. Katrina previously worked for the San Francisco Public Utilities Commission, where she aided with asset management projects and risk management practices.

Laurie.headshot.2023_New Website
“The most elegant solution is a simple one that meets the needs of all. It only works when we work together.”

Laurie Thomsen, PE

Director of Collaboration and VP

Laurie Thomsen, PE

Licenses and Certifications

Professional Engineer (WA)

LID Certification

Education

BS, Civil Engineering, Gonzaga University

Osborn Consulting’s Director of Collaboration, Laurie focuses on fostering open communication, working collaboratively, leadership development, and career development.
Laurie is an accomplished hydraulic and transportation engineer with extensive experience in designing and managing stormwater projects. She excels at organizing and managing the goals and parameters of complex projects and stakeholders, providing coordination, scope and code compliance, technical guidance, practical solutions, and workflow planning.

She has an in-depth understanding of how stormwater fits together with overall project components, challenging sites, and has extensive experience coordinating and refining approaches with other disciplines and jurisdictions.

lauriet@osbornconsulting.com

Josh.headshot.2023_New Website
“I’m excited to lead our Eastern Washington team as we take on new challenges and work together to provide meaningful improvements to our local environment.”

Josh Van Wie, PE

Eastern Washington Planning and Design Practice Lead

Josh Van Wie, PE

Licenses and Certifications

Professional Engineer (WA)

Education

MS, Civil Engineering, Washington State University

BS, Civil Engineering, Washington State University

Leading Osborn Consulting’s Eastern Washington practice, Josh designs and manages a variety of utilities and water resources projects. His expertise includes big-picture planning, hydrologic and hydraulic modeling, and designing stormwater treatment facilities, storm and sewer conveyance systems, right-of-way improvements, and site developments.

Josh’s team focuses on building strong client relationships to deliver practical and creative civil engineering projects. He enjoys challenging projects and has worked to maximize benefits for multiple stakeholders, including local municipalities, state and national agencies, and Native Tribes.

joshv@osbornconsulting.com

Anna.headshot.2021_New Website
“All of our lives will have some impact or another. I want mine to be lasting benefits to communities and the environment.”

Anna Vandermeer, EIT

Project Engineer

Anna Vandermeer, EIT

Licenses and Certifications

Engineer-in-Training

WSDOT Fish Passage and Stream Restoration Design Training

Education

MS, Civil and Environmental Engineering, Washington State University

Anna brings experience in stream modeling, including flood risk analysis and fish passage design. She is experienced with hydraulic and geospatial software, including HEC-RAS, ArcGIS, and SRH-2D, and welcomes the challenge of mastering more. Anna is passionate about capturing the qualities of each unique stream system through careful field reconnaissance, later to be used in building models that most accurately represent the complexity of a natural system.

Stefany.headshot.2020_New Website
“The best part of my job is getting to work with like-minded people who want to make a positive impact on water and the environment.”

Stefany Wang, PE

Senior Civil Engineer

Stefany Wang, PE

Licenses and Certifications

Professional Engineer (WA, MD)

WSDOT Highway Runoff Manual (HRM) Training

WSDOT Fish Passage and Stream Restoration Design Training

Education

MS, Environmental Engineering and Science, Johns Hopkins University

BS, Civil Engineering, Columbia University

Stefany provides water resources engineering and stormwater design for transportation and habitat projects. She develops engineering solutions for a wide range of clients, including city and county agencies, state departments of transportation, and federal government agencies. She also has experience coordinating with multidisciplinary teams including structural, geotechnical, civil, and traffic engineers, as well as environmental scientists and landscape architects. Stefany’s focus has been stormwater management design, stream restoration, fish passage design, hydrologic and hydraulic analysis and modeling, transportation drainage design, and watershed assessment and management. She is passionate about environmental stewardship through sustainable stormwater practices.

Alli_Headshot_2023_New Website
“I am inspired by the opportunity to make an immediate and lasting impact on someone’s life.”

Alli Willmarth

Engineering Intern

Alli Willmarth

Education

BS, Civil Engineering, Gonzaga University (current student)

While still completing her undergraduate degree, Alli co-wrote a paper with a professor on masonry in the Spokane downtown area, which was submitted to the North American Masonry Conference. She is also working with an on-campus club to implement a waste literacy curriculum for residence halls. She is enthusiastic to take what she is learning in classes such as geomatics, fluid mechanics, and geology, and apply it to projects. She is excited to learn new skills and continue her learning about water resources.

Peter.headshot.2020_New Website
“I enjoy working with our energetic and diverse team to find innovative solutions to engineering problems – and I look forward to the next Osborn Consulting Ski Day!”

Peter Wurden-Foster, PE

Natural Resources Practice Lead

Peter Wurden-Foster, PE

Licenses and Certifications

Professional Engineer (WA)

WSDOT Fish Passage and Stream Restoration Design Training

Education

MS, Civil Engineering, University of Washington

BS, Civil Engineering, University of Washington

Peter leads Osborn Consulting’s Natural Resources practice. He works with a dynamic and talented team to design and deliver stream restoration and fish passage projects. In the course of their work, his team performs scour and bank stability analyses, floodplain assessments in FEMA Special Flood Hazard Areas, and geomorphic assessments. They also provide construction phase support for fish passage- and stream-related project elements.

peterw@osbornconsulting.com

Simone_Headshot_2023_New Website
“It’s rewarding to see my designs be built and solve the problems I intended it to.”

Simone Yamaoka, EIT

Project Engineer

Simone Yamaoka, EIT

Licenses and Certifications

Engineer-in-Training

Education

BS, Civil Engineering, University of Washington

Simone is an engineer-in-training in our Transportation Drainage practice and a recent graduate from the University of Washington’s Civil Engineering program. During her senior year, she interned with the Civil Engineering group at Seattle City Light, where she worked on drainage, SPCC, and other wet utility projects at substations and generation sites around the state.

John.headshot.2021_New Website
“I enjoy creating and maintaining positive client relations.”

John Yuen, PE

Senior Civil Engineer

John Yuen, PE

Licenses and Certifications

John has more than three decades of experience in civil engineering design for state and local government and private site development projects. His technical skills include Civil 3D, MGSFlood, WWHM, MS Office, Bluebeam, and AGi32 Illumination Engineer softw+I45+I46

Education

MS, Civil Engineering, University of Kentucky

John has more than three decades of experience in civil engineering design for state and local government and private site development projects. His technical skills include Civil 3D, MGSFlood, WWHM, MS Office, Bluebeam, and AGi32 Illumination Engineer software. John performs geometric, grading, storm drainage, and ITS designs in accordance with standards, as well as the preparation of plans and estimates for construction.

Mike.headshot.2023_New Website
“People are constantly using the work done by civil engineers, often without realizing it.”

Mike Zarecor, PE

Civil Engineer

Mike Zarecor, PE

Licenses and Certifications

Professional Engineer (WA, ID, OR, MT)

WSDOT Fish Passage and Stream Restoration Design Training

Education

ME, Civil Engineering, Cornell University

BS, Civil Engineering, Washington State University

Mike is a Civil Engineer with experience in the design of stream restoration and wetland mitigation projects for public and private sector clients. He performs hydrologic and hydraulic analysis, creates AutoCAD Civil 3D project drawings, and develops reports, project cost estimates, specifications, and permit application packages. Mike also has experience performing geomorphic assessments and providing construction phase support for stream and wetland restoration projects.