Tim Lattimer

For more than 30 years, Tim Lattimer has worked at the forefront of environmental and development issues at the local and global level. As a career diplomat, Tim served most of the past decade in the U.S. Department of State’s (DOS) Office of Global Change, where he was part of the team that concluded the landmark Paris Agreement on climate change in 2015. From 1994 to 2012, he focused on environmental and economic development issues in a variety of overseas postings and multiple assignments in DOS’s Bureau of Oceans, Environment and Science. Prior to joining the DOS in 1994, Tim worked as an environmental planner and project manager in Southern California for 10 years, where he managed environmental impact assessments with private sector planning and engineering firms and with the Metropolitan Water District of Southern California. Tim holds a B.A. in Economics and an M.S. in Environmental Studies, both from California State University, Fullerton. He will begin his new role as the County’s Office of Community Sustainability Administrator on June 20, 2023.