The Five Counties Salmonid Conservation Program is headquartered in Trinity County in the Natural Resources Division of the Trinity County Planning Department.

Mark Lancaster, Program Director, spearheaded the inception of the 5C in 1997, effectively serving as the Program's only full time employee through 2001. That year, Mark hired two former AmeriCorps volunteers, Janet Clements and Sandra Pérez. Sandra now serves as the 5C Program Manager, focusing her time on Land Use Planning and Sediment Reduction projects. Christine Jordan joined 5C in 2004 and currently manages the Migration Barrier Removal Program. She is also a qualified wildlife biologist and botanist, and conducts CEQA and NEPA reviews for project planning and permitting. Carolyn Rourke is the 5C's Natural Resource Technician. She has conducted the DIRT Inventories in Trinity, Humboldt, and Del Norte Counties and has worked extensively on the 5C's Sediment Reduction Program in both planning and implementation since 2000. She and Tristan Behm are currently working on the DIRT Inventory of the Scott and Salmon River watersheds in Siskiyou County. Tristan has worked extensively in the Natural Resources field since 1998, specifically in Fisheries.

5C owes much of its success to County participation and the many consultants that have been hired along the way. Sari Sommarstrom, Watershed Specialist, completed the 5C Roads Maintenance Manual and will continue to be heavily involved in the Manual's adoption and implementation. Ross Taylor is the program's consulting fishery biologist. Ross conducted the Migration Barrier Inventories in each of the Five counties and continues to serve as the program's biologist; conducting spawning surveys, post-project monitoring and fish relocation for projects. 5C also thanks Janet Clements, an AmeriCorps WSP member who worked half-time for the Program from 2001 through July 2004. Janet worked principally on the Migration Barrier element of the Program, but also assisted in developing the Trinity County draft grading ordinance and the Program website. In addition, program representatives in each County have kept 5C as a viable conservation effort. The hard work and extraordinary effort put forth by individuals in each member County has been the corner stone of the programs success. 5C Partners include the Boards of Supervisors of each County, as well as various County Departments, Federal, State and Local agencies.