在加入LAEDC和WTCLA之前, Cheung was the Secretary General and Managing Director of International Trade and Foreign Affairs for Los Angeles Mayors Eric Garcetti and Antonio Villaraigosa and was responsible for managing policies and programs related to the Port of Los Angeles, 洛杉矶国际机场, 国际事务中, Global Trade and Clean Technology.
Cheung currently sits on the 顾问委员会 of UCLA’s Luskin School of Public Affairs, 加州大学洛杉矶分校的扩展, Coro Southern California and Sister Cities of Los Angeles, while also serving on the Los Angeles County 员工发展 Board.