team

Our Team

We don’t work in silos

Much like a well-run community or a thriving ecosystem, strong outcomes come from unity and shared responsibility. Our team brings together a range of expertise—engineering, science, and practical experience—to protect nature, ensure clean water for future generations, and build resilient, commonsense solutions that stand the test of time.

Adam Feuerstein, CPA

Chief Financial Officer

A landscape architect and ecologist with over two decades of professional practice, Aiman Duckworth, PLA focuses on the assessment, planning, and design of living systems that enhance and regenerate ecological, social, cultural, and economic vitality.

Aiman Duckworth, PLA

Senior Landscape Architect & Urban Ecologist

Alena Gagnon, PLA specializes in integrating GIS and drone technologies with landscape design to advance ecological restoration, recreation design, and comprehensive environmental modeling.

Alena Gagnon, PLA

Geospatial Analyst & Landscape Architect

With expertise in stream restoration, stormwater management, floodplain compliance, and watershed-scale hydrologic and hydraulic modeling, Allison Midgett, EIT integrates engineering rigor with ecological sensitivity to advance resilient, restorative water resource solutions throughout the Mid-Atlantic.

Allison Axsmith Midgett, EIT

Water Resources Engineer

Aly Martori, PLA, CA

Senior Landscape Architect

Amy Nelson

Marketing & Brand Leader

Anne Berg

Marketing Coordinator

Armando Garcia

Restoration Construction Supervisor

Austin Vong

Environmental Scientist

Brandy Wheelock

Restoration Equipment Operator

Brett Long, PE has more than two decades of experience leading projects that improve water quality, habitat, biodiversity, and resilience. He has expertise in stream, floodplain, and wetland restoration, including dam removal projects.

Brett Long, PE

Senior Water Resources Engineer

Brooke Marshall

Marketing Coordinator

With 20 years of experience in engineering and sustainable design, Bryan Arvai, PE believes that good engineering does not inherently ignore ecological systems. He has applied this philosophy to hydrologic and hydraulic modeling, green infrastructure and Low Impact Development design and construction oversight projects throughout the Mid-Atlantic.

Bryan Arvai, PE

Senior Water Resources Engineer

Bryan Coppede, CA, CERPIT is a Restoration Ecologist and Arborist with a multidisciplinary background in ecological restoration, project management, and client-focused delivery.

Bryan Coppede, CA, CERPIT

Restoration Ecologist

Bryon Salladin, CF, CA has more than 20 years of experience in forest and wetland resource investigations, restoration planting design, implementation and oversight and monitoring.

Bryon Salladin, CF, CA

Senior Restoration Ecologist

Caroline Hildebrand

Ecologist

For more than a decade, Carson West, PE has been designing and building river restoration projects. He provides construction oversight and coordination that yields significant benefits to overall project goals, timelines, and budgets.

Carson West, PE

Assistant Construction Project Team Leader

Cedar Phillips

Restoration Field Technician

    Charlotte Kennedy, PLA, SITES AP is a landscape architect with a foundation in environmental education and a passion for nature-based design to her work.

    Charlotte Kennedy, PLA, SITES AP

    Landscape Architect

    Chaya Wilks, PE believes that sustainable solutions emerge when engineering partners with, rather than overrides, the ecosystems on which we depend.

    Chaya Wilks, PE

    Water Resources Engineer

    Chris Matroniano

    Controller

    With expertise that combines cartography and spatial analysis with hands-on practical experience, Chris Rehak helps teams identify patterns and relationships in the landscape.

    Chris Rehak

    Geospatial Manager & Data Scientist

    Chris Streb, PE, LEED AP has been advancing restoration and regenerative design across urban and natural landscapes throughout the world for more than 25 years. He brings a systems-based approach that integrates ecological design, engineering, and biomimicry to create resilient, functional ecosystems that support both human and non-human life.

    Chris Streb, PE, LEED AP

    Learning & Innovation Leader

    Claudia Browne has led ecological restoration, conservation planning, water resource management, and riparian and wetland habitat assessments and maintenance projects for more than 40 years. She strives to increase the resiliency of natural and human systems to climate change and other environmental stresses by integrating strategies for restoration and sustaining ecological functions.

    Claudia Browne

    Western Strategy Leader

    Cody Smout has over 20 years of experience as a project manager in the ecology and construction industry, with a specialized focus on environmental stewardship and a desire to educate and learn from communities.

    Cody Smout

    Senior Engineering Technician

    Cullen Simon, PE LEED AP began his career in energy modeling and LEED project administration. This led to a broader pursuit of stream restoration design, including geomorphic assessments, Bank Erosion Hazard Index and Near Bank Stress assessments, watershed delineations and hydraulic & hydrologic modeling.

    Cullen Simon, PE, LEED AP

    Engineering Technician

    Doug Streaker, PE has more than 25 years of experience in environmental design and permitting, with expertise in stream, floodplain, wetland restoration, low impact design (LID), and stormwater best management practices (BMP) design.

    Doug Streaker, PE

    Principal Engineer

    An ecological designer who brings innovative ideas and a creative approach to engineering Ellie Month, PE has expertise in stochastic modeling of water infrastructure systems, infrastructure project planning, and resilient landscape design.

    Ellie Month, PE

    Ecological Designer

    With expertise in natural channel design, Emily Beacham, PE helps municipal and private sector clients in the mid-Atlantic region resolve challenges involving ecological restoration and stormwater management.

    Emily Beacham, PE

    Senior Water Resources Engineer

    Emily Brucks, EIT has a passion for the natural world and a commitment to conservation, clean water, and environmental resilience. Her experience spans the planning, design, and delivery of water, wastewater, and stormwater projects.

    Emily Brucks, EIT

    Water Resources Engineer

    Driven by a passion for sustainability and the protection of natural spaces, Emily Dubois, EIT has managed industrial, commercial, multi-family, and agricultural projects nationwide, guiding them from analysis and design through permitting and completion

    Emily Dubois, EIT

    Water Resources Engineer

    Skilled in ecological landscape design and restoration, Emma Podietz is fueled by her passion for connecting people to the land.

    Emma Podietz

    Landscape Designer

    Erin English, PE, LEED AP is a senior engineer with expertise in resilient water systems including constructed wetlands for wastewater treatment using constructed wetlands and other methods

    Erin English, PE

    Western Operations Leader & Practice Leader

    Erin Jennings, EIT, LEED AP

    Erin Jennings, EIT, LEED GA

    Water Resources Engineer

    George Battersby, PE

    Senior Water Resources Engineer

    Hanna Harper

    Geospatial Analyst & Environmental Scientist

    Biohabitats Senior Environmental & Wastewater Engineer, Harold Leverenz, PE LEED AP, is also a Senior Researcher at UC Davis. He specializes in the recovery of resources from waste streams. With a PhD in Civil and Environmental Engineering, he is an expert in the use of constructed wetlands for wastewater treatment and a global authority on nutrient recycling and decentralized wastewater treatment.

    Harold Leverenz, PE, PhD

    Senior Environmental & Wastewater Engineer

    Jacques Varvel, CESCL, has more than two decades of experience in the construction of habitat restoration projects.

    Jacques Varvel, CESCL

    Construction Project Team Leader

    Jake Nielson

    Engineering Technician

    James Way

    Proposal Director

    Jasmine Roberts, MBA

    People & Culture Coordinator

    Jennifer Dowdell has been at the forefront of the landscape architecture profession’s mobilization to address the intertwined biodiversity and climate crises.

    Jennifer Dowdell, FASLA

    Practice Leader: Landscape Ecology, Planning & Design

    Jennifer Zielinski Missett, PE

    Chief Operations Officer

    Jensen Noel

    Senior Operations Coordinator

    Jessica Hardesty Norris, PhD

    Senior Ecologist

    Jim Cooper, PLA, ASLA, PWS

    Principal Landscape Architect

    Jim Favret, Assoc. DBIA

    Senior Construction Coordinator

    Joe Berg, CERP, PWS

    Senior Restoration Ecologist & Practice Leader

    Joey Marshall

    Graphic Designer

    Jose Velazquez

    Restoration Field Technician

    Josh Wilson

    Senior Ecologist & Project Manager

    Justin Park, PLA, ASLA, WEDG

    Senior Landscape Architect

    Jyl Calhoun

    Restoration Field Technician

    Karah Conklin, PE

    Western Bioregion Team Leader

    Katie Ellis, PE

    Water Resources Engineer

    Katie Talley, PE

    Senior Water Resources Engineer & Bioregion Team Leader

    Kayla Brown

    Water Resources Engineering Technician

    Keith Bowers, FASLA, PLA

    Founder, Advocate, Practice Leader

    Kevin Dahms, PE

    Senior Water Resources Engineer & Bioregion Team Leader

    Kevin Grieser, CERP

    Senior Landscape Ecologist & Bioregion Team Leader

    Kevin Nunnery, PhD, LEED AP

    Senior Ecologist

    Kim Lewis

    Restoration Field Technician

    Kirsten Jones

    Operations Assistant

    Lee Mallonée, PLA

    Senior Landscape Architect

    Lisa Feather

    Staff Accountant

    Martha Eberle, PLA

    Senior Landscape Architect

    Matt Hilz, CERPIT

    Restoration Field Technician

    Matt Koozer, CPESC

    Restoration Construction Practice Leader

    Matti Perry

    Restoration Field Technician

    Meghan Gloyd, PE

    Senior Water Resources Engineer & Bioregion Team Leader

    Michael Lighthiser, PE

    Principal Engineer

    Michael Peterson

    Construction Operations Team Leader

    Miguel Arteaga

    Restoration Construction Supervisor

    Mike Trumbauer, CERP

    Principal Restoration Ecologist

    Nels Beyer

    Restoration Equipment Operator

    Nicolina Sarnelli, PE

    Water Resources Engineer

    Nolan Schillerstrom, CWB

    Conservation Biologist

    Olin Christy

    Senior Engineering Technician & Project Manager

    Pete Munoz is a senior engineer with expertise in resilient water systems including constructed wetlands for wastewater treatment using constructed wetlands and other methods

    Pete Muñoz, PE, LEED AP

    Senior Engineer & Practice Leader

    Quinn Caralle

    Marketing Coordinator

    Rachel Spadafore

    Senior Restoration Ecologist

    Rafael Guzman

    Restoration Field Technician

    Rebecca Winer-Skonovd

    Eastern Operations Leader & Senior Project Manager

    Reyes Velazquez

    Restoration Field Technician

    Rose Marie Price

    Senior Operations Coordinator

    Sarah Emrich, PE, LEED GA

    Water Resources Engineer

    Sarah Roberts

    Senior Environmental Scientist

    Sarai Carter, MLA, SITES AP

    Landscape Designer & Restoration Ecologist

    Shayla Woodhouse, PE

    Project Engineer

    Sunny Dood

    Billing Team Leader

    Susan Sherrod, PhD, SCE, CERP, PWS

    Senior Ecologist

    Suzanne Hoehne, PE

    Senior Ecological Designer

    Sydney Salzwedel, PE, CFM

    Water Resources Engineer

    Tanaira Tuffour

    Senior Environmental Scientist

    Ted Brown, PE, LEED AP

    President, Chief Executive Officer

    Todd Alsbury

    Construction Project Team Leader & Fish Biologist

    Tom Denbow

    Senior Project Manager & Ecologist

    Tristan Burwell

    CADD Manager

    Wesley Richter, PE

    Water Resources Engineer

    Interested in joining our team?
    Let’s talk.

    Contact Us