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Friends of the North Fork has a small staff  who assist dozens of volunteers providing hundreds of hours of effort every year.

David V. Brotman, Executive Director

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A Virginia native, and graduate of Virginia Tech, David has broad experience in environmental field work, business, conflict resolution, and education.  Times spent in the Shenandoah Valley as a boy and young man — camping, hiking, fishing, and canoeing — are the very roots of his environmental interests, and his love of nature.

David is a natural public educator, and has taught all age groups in a variety of indoor and outdoor settings.  Subjects have included Chesapeake Bay ecology, Wild Edibles, and many more.  In Yellowstone NP, he trained citizen scientists in field methods.

In recent years in California, David logged thousands of hours on both public and private habitat conservation projects.  Training there too in conflict resolution, he practiced with Centinela Youth Services, and with the international mediation group, Mediators Beyond Borders.  Since his return, he has been active with the Woodstock Tree Board, Front Royal/Warren County Tree Stewards, Coming to The Table workgroup on race relations, and has helped at both Seven Bends and Shenandoah River State Parks.

David continues to be an avid hiker, camper, outdoor educator, and hunter of wild edible plants.  He finds great joy in studying our woods, wildlife, and landscapes, including the unique and historic, cultural heritage sites still scattered throughout the Valley.

Cindy Frenzel, Education Coordinator

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Cindy has served as the Environmental Education Coordinator for Friends of the North Fork since 2007. Over the years she has built our program of broad civic engagement in the schools and the community. Cindy has developed countless partnerships with other groups and agencies and has also provided river programs and workshops for all ages.

Cindy’s background includes working in fire prevention education with the Virginia Department of Forestry for 14 years. She has also served as a park ranger for federal, state and historical parks, including New Market Battlefield. She currently serves as an on-call Fire Prevention Team Leader and Information Officer for the US Forest Service nationwide.

She received her degree in Forestry and Resources Management from Virginia Tech.

Concha Mendoza, Operations Manager

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Concha joined the Friends staff in 2014. As a high school student, she assisted Friends with a water quality monitoring program. She developed an appreciation for the outdoors through recreation and through her volunteer experience, as she traveled to new beautiful places collecting water samples.

She holds a B.A. in Latin American Studies from Yale University. After college, she worked as a home-school liaison with the Shenandoah Valley Migrant Education Program, an editorial assistant for the Institute for Children, Poverty, and Homelessness, and as an adult ESOL instructor.

At Friends, she enjoys working with volunteers, improving administrative systems, partnering with other organizations, writing and editing grants and other communications, assisting with fundraising and events, facilitating direct programs, and any chance to be in nature.

Our volunteers do the dirty work and have a lot of fun in service to the river.

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