Emily Sinkhorn

NRS Director (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.

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.

Denise Newman

Projects Coordinator (707) 269-2060

Denise has been planning, developing and implementing natural resource interpretation and environmental education projects since 2002. Her interpretive signage projects include Humboldt County's Hammond Coastal Trail, BLM's Falk Headwaters Trail, City of Eureka's Hikshari' Trail, PALCO Marsh Trail and Sequoia Park Zoo Watershed Heroes Exhibit, Northcoast Regional Land Trust's Freshwater Farms Nature Trail and the most recent sections of the City of Eureka's Waterfront Trail. As an environmental educator, she develops grant-funded projects to bring watershed education into K-12 classrooms; from stormwater-focused 'Adopt a Storm Drain' cleanups to sea level rise climate science. She is currently working as an Environmental Literacy coach with the Humboldt County Office of Education and leading interpretive waterfront bike tours with youth groups through her 'Bikes on the Bay' project. Denise has a M.S. in Natural Resources Interpretation and Planning from Humboldt State University and works extensively with educators, environmental scientists, biologists and historians to deliver the most relevant and accurate natural and cultural stories of our area.

Susannah Ferson Manning

Projects Coordinator (707) 269-2058

Susannah has 20 years of experience working in aquatic and terrestrial biology in Humboldt County. Her experience includes watershed and fisheries habitat restoration, eelgrass/estuarine ecological research, endangered species monitoring and habitat conservation, and invasive species research and removal. Susannah has collaborated extensively with a variety of agencies and landowners – including federal, state, county and tribal governments – to design and implement diverse research and restoration projects throughout the Pacific Northwest. She has particular interest in estuarine ecology research, climate change adaptability, and habitat restoration. She currently serves as Vice President of the Board of Directors for 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.

Jennifer Weiss

Projects Coordinator (707) 269-2062

Jenny is a graduate of Humboldt State University with a Bachelor of Science Degree in Natural Resources Planning and Interpretation. Since 2009, Jenny has been managing non-motorized transportation projects to support active living throughout Humboldt County and has considerable experience with Safe Routes to School, trail, and multimodal projects. She leads walkability assessments and bike rodeos, provides meeting facilitation, works to develop policy to support active transportation, and excels at creating engaging public participation graphics, materials, brochures, banners, and maps, including the Humboldt Bay Area Bicycle Map. She has also assisted tribes, local cities, and the County of Humboldt with preparing successful Active Transportation Program grant applications and non-infrastructure programs during Cycles 1, 2, 3, and 4. Jenny completed the Cascadia Leadership Training, the National Charrette Institute Certification Training, Designing for Pedestrian and Bicycle Safety OTS Training, Bicycle Traffic Skills 101, PICO’s Community Organizing Training, and was a Eureka City Schools Apple Pin recipient in 2017. 

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.

Carla Avila-Martinez

Planning Specialist (707) 269-2055

Carla is currently supporting multiple projects including Safe Routes to School, Peninsula Community Collaborative, Arcata Annie and Mary Trail Connectivity Project, and more. Carla is a Humboldt State University graduate with a Bachelor of Science degree in Environmental Science with an emphasis in ecological restoration. She has experience in community outreach, classroom education, and is bilingual. She also serves on the Board of Directors for Friends of the Dunes. Carla has worked at RCAA for several years and has recently transferred to the Natural Resources division. She is looking forward to supporting healthier communities and environments through her project work.

Marisa Formosa

Planner (707) 269-2065

Marisa has over a decade of experience working on community-based restoration, conservation and stewardship projects. She worked many years with the Whitethorn-based land and water trust Sanctuary Forest, where she led education, outreach and development efforts centered on stream and forest restoration, habitat enhancement, and land management and conservation. At NRS Marisa is using her experience with restoration and passion for community work to support projects in both the Watershed Services Program and the Active Living Program. Marisa has a BA in Politics from the University of California, Santa Cruz, and a MA in Social Science, Environment and Community from Humboldt State University.

Beth Poston

Administrative Coordinator (707) 269-2066

Beth grew up in beautiful Northern Humboldt County. She attended Humboldt State University where she received her BA in Art History with a minor in Business. Beth supports the NRS division as the Administrative Coordinator, helping to facilitate inner office and fiscal communications. Beth is also a company member with the Eureka-based nonprofit North Coast Dance, and works part-time as their bookkeeper. Beth loves spending time out-doors with her family, especially hiking and biking, and is excited to be part of the NRS team and efforts to promote healthy communities and healthy watersheds.

Matt Drummond

Garden Planner (707) 269-2071

Matt graduated from Humboldt State University with a Bachelor of Science Degree in Fisheries Biology. He pursued work in the fisheries field, surveying steams and rivers throughout California. Just recently he switched gears towards a career focused on community health. He started his work in the community as a Nutrition Education Coordinator for Food for People, promoting CalFresh and healthy eating county-wide. Matt now helps others gain the skills they need to start their own gardens. He is also the Coordinator of the North Coast Community Garden Collaborative (NCCGC), a network of community gardeners that work together to plan events, start new garden, and improve existing gardens. Outside of work, you can find Matt on local rivers and trails, fishing, hiking and mushroom hunting. He also spends countless hours in his garden and in his kitchen cooking. 


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.