Tan Zi is a Water Resources Engineer at the Alameda County Water District and a Senior Environmental Scientist at the San Francisco Estuary Institute, with extensive experience in environmental engineering. Prior roles include Environmental Engineer at Tetra Tech and Research Assistant at Duke University, where Tan completed a Ph.D. in Environmental Engineering. Educational background includes a Bachelor's and Master's degree in Atmospheric Sciences and Meteorology from China Agricultural University. Tan's career spans various roles in project management and technical assistance within both governmental and research institutions in China and the United States.