Professor of Cooperative Extension
University of California, Davis

Egg Salvage Program Coordinator, Waterfowl Biologist
California Waterfowl Association

Nesting Bird Habitat Incentive Program Coordinator
California Department of Fish and Wildlife

Sara Rosenberg is the University of California Cooperative Extension Regenerative Agriculture Advisor for Mariposa, Merced and Stanislaus Counties. Her extension and research program evaluate and support management decisions which improve soil health, biodiversity, and water conservation outcomes; decrease external input dependance.  Sara received her master’s degree in International Agriculture Development and a Ph.D in Horticulture and Agronomy with a focus in Agroecology, both from UC Davis. Prior to working on her Ph.D., she was an agriculture advisor in the Peace Corps for more than three years. Here, she worked closely with smallholder farmers in West Africa, implementing conservation agriculture programs such as minimal tillage and cover crop adoption in both annual crops and tree crops, mainly in the cashew forestry sector. In California, she has worked on farms for more than eight years, including running her own small, diversified farm in Woodland.

President & CEO

California Rice Commission

Tim is the first President & CEO of the California Rice Commission, which traces its beginnings to 1998, and an act of the state legislature. The commission is one of the state’s most respected agricultural organizations representing all farmers and handlers that grow and mill rice on 500,000 acres each year, largely in the Sacramento Valley. 

Under his leadership, the commission has become known as the provider of rice in nearly every piece of sushi in the U.S., as well as a highly prized food in many countries around the world. 

Tim served in a number of leadership roles including the External Advisory Board for the Agricultural Sustainability Institute at UC Davis. Tim and his wife Ann are also partners in a family vineyard. Their Sierra Foothills vines are known for producing award-winning Zinfandels.

Director of Seed Certification Operations, Foundation Seed Program Executive Director, Certified Seed Program Advisor
California Crop Improvement Association