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.

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

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 both Osborn’s teams and clients.

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

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

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

Liz.headshot.2020_New Website
“My passions align with my work – collaboration brings out the best in our team and the spaces we design for our communities.”

Liz Browning, PLA

Landscape Architecture and Urban Design Practice Lead

Liz Browning, PLA

Licenses and Certifications

Professional Landscape Architect (WA)

Education

Master of Landscape Architecture, University of Washington

Italian Landscape Studies, University of Washington Rome Center

BA, English Literature, University of Washington

Liz, who leads Osborn’s Landscape Architecture and Urban Design practice, designs diverse public landscapes that help communities flourish. Her projects range in scale and style, with a focus on public urban spaces, civic facilities, school campuses, and streetscapes – all well scaled, well crafted, and, most importantly, well loved.

With experience in all project phases and significant construction expertise, Liz works best as a contributing member of a creative, interdisciplinary team. Her creative thinking and dedication come through in her clear communication and enthusiastic collaboration style.

lizb@osbornconsulting.com

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 using 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 avoiding 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

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 specializes in surface water engineering and modeling. She has an excellent record of exceeding client expectations and delivering high quality outcomes. Deepa is currently the co-chair for the ASCE Seattle Section Water Resources Committee.

Over the years, Deepa has worked on several design build and local agency stormwater projects. Her main areas of expertise include transportation drainage design, hydrologic and hydraulic modeling and analysis, neighborhood drainage improvements, and stormwater planning. Deepa is also experienced at navigating the regulation, permits, and inspections involved in environmental compliance.

deepa@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 who oversees a large variety of planning and design projects in Western Washington focused on such areas as green stormwater infrastructure, stormwater conveyance, regional water quality, culvert replacement, and creek restoration.

With a PhD in civil and environmental engineering, Maria has in-depth language and experience in groundwater flow modeling 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

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, as well as 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

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

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 is a Technical Service Manager and stormwater technical lead at Osborn Consulting who’s worked on complex stormwater, sewer, and infrastructure improvement projects throughout the Pacific Northwest. Cheyenne has extensive experience in stormwater model analysis, conveyance sizing, flood mitigation, stream and culvert retrofitting, detention and water quality design, and waterline relocation. He’s also extremely passionate about green stormwater infrastructure and low impact development. Cheyenne easily takes projects from the initial concept design through to the final plans, specifications, and cost estimate stages.

cheyennec@osbornconsulting.com

alissa.headshot.2020_New Website
“I love the thrill of helping our teams thrive, solving workplace puzzles, and contributing to a great work environment.”

Alissa Grieves, SHRM-SCP

Director of HR and People Operations

Alissa Grieves, SHRM-SCP

Licenses and Certifications

Society for Human Resources Management - Senior Certified Professional (SHRM-SCP)

Education

BA, Communications, Western Washington University

As Director of Human Resources and People Operations, Alissa is responsible for recruiting, onboarding, training, benefits management, and advocating for employees. She also has a strong background in community outreach and stakeholder engagement on both local and regional design and construction projects.

alissag@osbornconsulting.com

Richard.headshot.2023_New Website
“We’re constantly evaluating new approaches to technology to ensure we’re delivering the best results for our clients and our communities.”

Richard Herrman

Director of Information Technology

Richard Herrman

Education

AAS, ITT Technical Institute, Washington

With a varied background that combines deep experience across infotech and CAD management, Richard leads Osborn Consulting’s IT department. He ensures all networking and computing needs are met and that all hardware, software, networks, and related applications work correctly and efficiently.

Throughout his career, Richard has been involved with the latest advances in technology, and he is always open to new ideas and processes to aid in overall computing needs and the ability to provide quality drafting, design, and mapping products to clients.

richard@osbornconsulting.com

Megan.headshot.2022_New Website
“Money might not be able to buy happiness, but it can buy puppies and chickens and that’s enough for me!”

Megan Isaacks

Financial Controller

Megan Isaacks

Education

BA, Business Administration, University of Phoenix

As Osborn Consulting’s Financial Controller, Megan is responsible for overseeing all aspects of the company’s financial operations. This includes managing the accounting team, preparing financial statements, and developing and implementing financial strategies. She works closely with our leadership team to ensure that the company is on track to achieve its financial goals.

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

Madison_Headshot_2023_New Website
“Everyone has a story worth telling.”

Madison Pearson

Director of Marketing

Madison Pearson

Education

BA, Communications, University of Washington

As Director of Marketing, Madison helps tell Osborn Consulting’s story through the website, social media, various proposals, and other marketing materials. She collaborates closely with project managers to develop thoughtful and creative multimedia content that resonates with Osborn’s diverse range of clients, community members, potential recruits, and industry peers. Madison is committed to fostering a culture of open communication and collaboration within Osborn’s Marketing team.

madisonp@osbornconsulting.com