Teng Chia-chiTeng Chia-chi is a Taiwanese politician. He was Deputy Mayor of Taipei from 25 December 2014 to 15 October 2019.Early life and educationTeng was born in Keelung in 1956, the second child in a family of four children. He graduated from National Cheng Kung University with a bachelor's degree in civil engineering and a master's degree in civil engineering. He then completed doctoral studies in the United States, earning an M.S. and a Ph.D. from the University of California, Los Angeles.