Who We Are



Neil Davis, Director– is a registered nurse. He has worked in the Emergency Department and ICU and served in a Director role both at Ukiah Valley Medical Center and Mendocino Community Clinics. In addition to his duties as Director for Walk & Bike Mendocino, Mr Davis is the part time Director for the Ukiah Valley Trail Group and consults as a Public Health Nurse for Round Valley Community Health Center.

Lead Traffic Safety Educator

Erich Sommer, Lead Bicycle Safety Trainer – Erich walks, bikes and lives in Ukiah. In addition to his part-time role with W&B Mendo, Erich works as an environmental educator at the Redwood Valley Outdoor Education Project. Erich attended Humboldt State University and graduated with a Bachelor of Arts in Geography. He is a League of American Bicyclist’s Certified Instructor (LCI) in traffic skills and general bike safety, and has attended and helped co- teach the League’s Traffic Skills 101 class. Erich has also assisted in putting on several bike rodeos. He is excited about the potential for increased pedestrian and bike use in and around Ukiah and Mendocino County. He spends much of his time chasing around his son ( 4 years old), walking his dogs and riding his bikes as much as possible.

Field Coordinator

Sonja fell in love with biking as a student at UC Davis. Living in cities most of her life: Los Angeles, Davis, Sacramento, Portland, and Washington, DC, Sonja found it easy to get around without a car, only recently buying her first car after moving out of the city and into the rural forest off-grid. “Walking, biking, and bussing is easy! It only takes some planning, and the willingness to slow down. What I love most about the biking community, is the opportunity to actually connect with other people, saying hi, or just smiling and waving peace signs at each other.” Though she now drives to work, she still waves peace signs at passing cars (of course when it’s safe to do so!). Sonja lives off-grid, is passionate about living frugally and minimally, bike valet parking, supporting active transportation in Mendocino County, growing her own food and medicinal herbs, and animal rights.

Advisory Board

Field Coordinator

Lucy’s passion for supporting  just, sovereign, and sustainable communities has brought her to Mendocino County where she lives on Ridgewood Ranch in Willits, CA.  Lucy has a degree in Environmental Studies from University of the Pacific where she served on her Associated Student Body Government as Commissioner of Wellness and Sustainability. Since graduating, Lucy has primarily worked to support Mendocino County’s local food movement as a Farmer Teacher Trainer Apprentice with Ecology Action, a Member of the Young Agrarians Committee, a Naturalist at Camp Mendocino, and an Environmental Justice Educator for The Beehive Design Collective. In 2018, Lucy served as an AmeriCorp VISTA for The Gardens Project of NCO supporting a network of 55 community gardens in Lake and Mendocino Counties. Lucy is excited to advocate for city and county policy and infrastructure to support safe streets for cyclists and pedestrians and to use education as a tool to break down barriers to active transportation like biking for commuters. Lucy is also a founding member of The Mendo Maidens, a women’s bike touring group raising awareness and funding to improve bike access in Mendocino County.

Maureen began her career as an employee for the County of Mendocino and now a small business owner raising children in the town of Ukiah, she is dedicated to giving back. Maureen has experience in volunteering, working within the county and owning a small business. While wanting to create a healthy lifestyle for her children and her community, Mo saw that Walk & Bike Mendocino would be a great place to collaborate.

Tarney Sheldon (Ukiah) – is a credentialed K-8th grade teacher. She coordinates the Nutrition Basics program as a member of NCO’s Community Action team. Tarney connects with family resource centers and agencies across Mendocino County to support their nutrition education efforts. She develops and presents classroom nutrition lessons that connect families to the food grown in local school, community, and backyard gardens.

Jed Diamond (Willits)  -is a health-care practitioner with a Ph.D. in International Health. He is co-founder of the Willits Healthy Action Team (WHAT) whose goal is to improve the physical, emotional, and spiritual health of the community.  They sponsor large community walks in May and October.

Holly Madrigal (Willits) -was raised in Willits, and returned to the area in 2000 with her husband, Gabe, after graduating with a degree in Business Management and Economics from the University of California, Santa Cruz. Madrigal serves on numerous boards and community organizations, including the coordinating committee of Willits Economic Localization (WELL), Willits Shop Local First, the Economic Development and Finance Corporation (EDFC), and Common Wealth Community Farm at Howard Hospital. She currently serves on the Willits City Council and is a former mayor. She also is an alternate on the Mendocino Council of Governments.

Mary Anne Landis (Ukiah) – came to this community to teach. She taught for many years as part of the Mendocino County Office of Education after which she founded and directed a charter school.  Then she designed and built a small infill housing project on the west side of Ukiah which piqued her interest in planning and development issues. Her subsequent work as Ukiah Planning Commissioner lead her to serving as a Ukiah City council member for the past 5 years -one of those years as mayor. Mary Anne retains a strong commitment to focusing on shared community values, so we can ‘grow’ this beautiful place on the planet – without wrecking it. She thoroughly enjoys being part of the changes which result in the creation of a more liveable, walkable, bikeable – and prosperous community.

Marvin Trotter (Ukiah) –is a Hospitalist and ED Physician with Pacific Redwood Medical Group. He is the former Medical Director of the Mendocino County Public Health Department. He was the driving force in creating the Alex Rorabaugh Community Center. He is a passionate community organizer who takes crazy, impossible ideas and makes them happen.