Tilly Chang serves as Executive Director of the San Francisco County Transportation Authority. As the Congestion Management Agency and transportation sales tax administrator for San Francisco, the SFCTA collaborates with public agencies, community groups and the private sector to improve San Francisco’s local and regional system.  Ms. Chang has 25 years of experience, including 15 years with the SFCTA where she previously served as Deputy Director for Planning. She has also held posts with the World Bank, Metropolitan Transportation Commission, and a technology startup.  Ms. Chang attended M.I.T. and UC Berkeley and serves on the boards of the California Transportation Foundation, SPUR and UC CONNECT.