Emily Sinkhorn

Deputy Director and Active Living Program Manager (707) 269-2061

Emily has a broad range of expertise and passion for functional transportation systems, natural resources and community-led change. To each project she brings her experience in community outreach, active transportation planning and policy, and project management. Emily manages many diverse projects in the Active Living program including trail planning, Safe Routes to School, community organizing, bicycle education and community gardens. Emily consistently works with a broad range of agency personnel, educators, and grassroots groups and fosters effective partnerships through these communications. She is successful at bringing together diverse groups of people and finding common themes for productive collaboration. Emily is a League Certified Bicycling Instructor and graduate of the Cascadia Leadership Program.

Mitra Abidi

Planner (707) 269-2071

Mitra is a Humboldt State University graduate with a B.S. in Natural Resources Planning & Interpretation. Since graduating in 2011, she has had a broad range of experience in community organizing, gardening, politics, sustainability, habitat restoration and natural resource management. She has taken part in many local projects from restoration to community gardening. She is passionate about healthy communities and healthy environment, and hopes to use her past experiences to help achieve that goal. She is also a delegate for the California State Democratic Party, board member of the Environmental Protection Information Center, and the part-time Administrative Director of the Mad River Alliance. 

Natalie Arroyo

Senior Planner (707) 269-2059

Natalie has been working on environmental health, community outreach, fisheries restoration and planning projects since 2005. She has led and supported projects in both the Active Living and Watershed programs of NRS, including the North Coast Stormwater Coalition’s Non-Point Source Pollution Prevention Program, the Eureka Street Trees program, Loleta Community-building Initiative, Mad River Watershed Management Plan, and many more. Natalie is particularly interested in projects that involve community engagement as well as a connection between environmental and human health and balance. She is a graduate of the Cascadia Leadership Training program. Natalie is also the Board Vice-President of the Humboldt Trails Council and a board member and Secretary of the Salmonid Restoration Federation.

Stephanie Birmingham

Office Supervisor (707) 269-2066

Stephanie grew up in Iowa where she received her B.A. in Ecological Science. She moved to Humboldt County to attend graduate school at HSU in 2007. She received her Master's in Social Science from the Environment and Community program in 2011. She served two years as an AmeriCorps member in local area and has worked and volunteered for several nonprofits. She has a background in environmental education and interpretation and loves exploring the beautiful natural areas in Humboldt. Stephanie supports the team by coordinating fiscal and administrative activities for the NRS Division.

Dustin Brooks

Field Crew Supervisor (707) 269-2070

Dustin brings to the RCAA-NRS division a diverse knowledge of multiple ecosystems and over 10 years of leadership experience. He has experience leading invasive plant eradication field work and a variety of field components on watershed restoration projects. Dustin currently serves on the Board of Directors for the Jacoby Creek Land Trust and is a member of the Society for Ecological Restoration. Dustin has a B.S. in Environmental Science & Management, with an emphasis in ecological restoration from Humboldt State University and is currently enrolled in the Natural Resource Management Master’s program at Virginia Tech.


Susannah Ferson Manning

Projects Coordinator (707) 269-2058

Susannah has nearly 20 years of experience in aquatic and terrestrial biology in Humboldt County. She has worked in a variety of coastal habitats and has a particular interest in estuarine ecology research, climate change adaptability, and habitat restoration. Susannah has successfully managed and/or participated in projects including all aspects of fisheries habitat restoration and monitoring, eelgrass/estuarine ecological research and monitoring, endangered species monitoring and habitat conservation, invasive species research and removal, and watershed restoration projects throughout the Pacific Northwest. Susannah has collaborated with a variety of agencies and landowners including federal, state, county and tribal governments to design and implement research and restoration projects. She currently serves on the Board of Directors of the Friends of the Dunes and chairs the Humboldt Weed Management Area and the Humboldt County Regional Spartina Eradication Program working group, and participates in the Humboldt Bay Initiative work group. Susannah has a B.S. in Wildlife Biology and a M.S. in Natural Resource Management.



Denise Newman

Projects Coordinator (707) 269-2060

Denise has planned, developed and implemented interpretive & wayfinding signage, kiosks, benches and other trail amenities since 2002. Projects include the Hammond Coastal Trail, Falk Headwaters Trail, Eureka’s newest Elk River Hikshari’ Trail, and developing the Humboldt Bay Interpretive Signing Manual (a series of thematic templates for use around the Bay). She has worked with local government agencies including Humboldt County and City of Eureka Public Works, federal agencies such as BLM, the Wiyot Tribe, and non-profits including Friends of the Dunes and Northcoast Regional Land Trust. Denise has a M.S. in Interpretation and Planning from Humboldt State University, and works extensively with artists, geologists, biologists, Tribal members and historians to portray the most recent and accurate story of an area. 

Morguine Sefcik

Projects Coordinator (707) 269-2057

Morguine has worked in a variety of planning, community outreach, watershed, and stormwater projects at NRS since 2001. She helped develop and implement NRS’ first stormwater projects, the North Coast Stormwater Coalition’s (NCSC) Nonpoint Source Pollution Prevention Program and the NCSC’s Low Impact Development Pilot Project.  She has worked collaboratively with local and state government agencies (State of CA; Counties of Humboldt, Mendocino, and Del Norte; Cities of Arcata, Eureka, Fortuna, Fort Bragg; Humboldt Bay Municipal Water District), non-profit groups, community groups, private landowners, and educational institutions.  Morguine has a B.A. in Biology from Mills College and is a member of the NCSC.

Jennifer Weiss

Senior Planner (707) 269-2062

Jenny is a graduate of Humboldt State University with a Bachelor of Science degree in Natural Resources Planning and Interpretation. With nearly 20 years of experience in Environmental Education and Outreach, she manages non-motorized transportation projects that support active living in Humboldt County. Since 2010, Jenny has been coordinating Safe Routes to School (SR2S) programs and efforts throughout the county including the Greater Eureka SR2S Task Force and the County-wide SR2S Task Force. She also organizes and leads walkability audits and bike rodeos, develops policy to support active transportation, coordinates events, and manages volunteers. She has completed the Cascadia Leadership Training, the National Charrette Institute Certification Training, and trainings in Community Organizing, Designing for Pedestrian and Bicycle Safety, and Bicycle Traffic Skills 101. 

Don Allan

Senior Project Consultant

Don has worked in watershed assessment and implementation as well as trail planning and implementation since 1978. Don has extensive experience in riparian, wetland, and instream habitat enhancement, with a focus on estuarine environments around Humboldt Bay. He has also worked extensively in upslope erosion control, road assessment, and road rehabilitation and decommissioning. He has provided oversight to construction of several segments of the California Coastal Trail including the Hammond Trail – Widow White Creek Interpretive Trail and Multi-use Trail construction and the Elk River- Hikshar’i Trail. He has also led numerous stream and riparian enhancement projects including the Widow White Creek Enhancement Project and the Wood Creek Tidal Marsh Enhancement Project. He was the project lead for the Humboldt Bay Sediment Reduction and Salmon Habitat Improvement Project and has been leading the Martin Slough Enhancement Project since 2001. Don serves as the president of the Salmonid Restoration Federation, the vice-president of the Trinidad Coastal Land Trust, and is a founding member of the Trinidad Bay Watershed Council.