Assistant Director, California Department of Pesticide Regulation
Nan is an Assistant Director with DPR’s Pesticide Program Division, where he is responsible for directing policy, regulatory, and scientific activities in the areas of monitoring and mitigation. Nan currently oversees four key DPR branches: 1) Environmental Monitoring, 2) Worker Health and Safety, 3) Human Health Assessment, and 4) Pesticide Evaluation. These branches work preventatively as well as responsively to assess pesticide exposures to workers, bystanders, and the environment to mitigate unacceptable exposures and risk posed by pesticide use in agricultural and urban environments. Nan joined DPR’s Pesticide Program Division as Assistant Director in March 2020. Prior to his current responsibilities, he worked as a program manager, supervisor, and scientist in DPR’s Environmental Monitoring Branch – Surface Water Protection Program. He has been with DPR since 1994, and has published in pesticide-related areas that include water quality monitoring/assessment and mitigation, urban and agricultural runoff, municipal wastewater, predictive modeling, boat antifouling paints, fate and transport, and ecological risks. Nan also served 15 years as DPR’s interagency coordinator with the State and Regional Water Boards. He has represented California as a member of the national SFIREG’s Environmental Quality Issues Working Committee, which is a platform for states to work with U.S. EPA on challenging pesticide issues. Nan’s academic background is in Environmental Toxicology from UC Davis.