Executive Director, Transportation Authority
Tilly Chang serves as Executive Director of the San Francisco County Transportation Authority. The Transportation Authority’s mission is to make travel safer, healthier, and easier for all.
Ms. Chang oversees the Transportation Authority's administration of the voter-approved half-cent transportation sales tax and other funding programs. She also leads the agency's county congestion management functions including long-range planning for San Francisco's multi-modal, multi-operator transportation network.
Ms. Chang serves as Chair of the Transbay Joint Powers Authority's Peninsula Rail Program Executive Steering Committee and on the boards of the Intelligent Transportation Society of America, the California Transportation Foundation, and SPUR.
Ms. Chang was named 2019 Woman of the Year by the San Francisco chapter of WTS and in 2015 the San Francisco Business Times named her one of the Bay Area’s Most Influential Women.
Prior to the Transportation Authority, she held posts with the World Bank, Metropolitan Transportation Commission, and a wireless technology startup. She is a graduate of UC Berkeley and M.I.T.