1978-83 SUMS (Guangzhou)
1983-89 SUMS (Residency Training)
1989-94 SUMS
1992-93 Singapore Specialist
1994-99 SUMS Associate Professor
1997-99 Missoula
1999-present SUMS
Pulmonary Hypertension
Heart Valve Surgery
Congenital Heart Surgery
Ischemic Heart Surgery