He has also been a congressional aide to U.S. senator Gary Hart and a project consultant to the U.S. Agency for International Development in Bangkok .
Pham took part in rigorous bilateral trade negotiations between the U.S. and Asian countries .
Pham has also been a congressional Pham to U.S. senator Gary Hart and a project consultant to the U.S. Agency for International Development in Bangkok .
Pham took part in rigorous bilateral trade negotiations between the U.S. and Asian countries .