Jamie Callahan serves as the Deputy Cabinet Secretary in the Office of Governor Gavin Newsom. In this position, she oversees executive branch operations and policy development focused on climate change, business and economic development and international affairs. Previously, Callahan served as the Director of External Affairs in the Office of Governor Edmund G. Brown, Jr., overseeing the conception, planning, and execution of all major events for the Governor. She also directed the Governor’s international portfolio: identifying engagement opportunities, strengthening partnerships between the office and other leaders and offices around the world, and advising the Governor on key meetings abroad. She helped to devise and strengthen several of Brown’s signature climate initiatives, including the Under2 Coalition and the U.S. Climate Alliance, and served as Chief Executive Officer of the Global Climate Action Summit, which brought several thousand people to San Francisco over three days in September 2018 to spur climate leadership around the world.