• Attending neurosurgeon

• Injuries of head and spine, cerebral hemorrhage, tumor of central nervous system, CVA, back pain, spinal disc herniation

• 1. 1971, M.D., National Defense Medical Center
• 2. 1986-1987, Fellow, Dept. of Neurosurgery, University of Chicago

• 1. 1974-1979, Resident & Chief Resident, Division of Neurosurgery, Tri-Service General Hospital
• 2. 1979-1983, Attending neurosurgeon, Tri-Service General Hospital
• 3. 1983-1999, Chief, Division of Neurosurgery, Far Eastern Memorail Hospital
• 4. 1989-, Associate professor, National Defense Medical Center
• 5, 1991-1999, Vice President, Far Eastern Memorail Hospital