1. Neurosurgery
2. Brain tumor
3. Endoscopic pituitary and skull base surgery

Medical Department of China Medical University 1981-1988
Assistant Professor of National Yang Ming Chiao Tung University 2014-

Attending Neurosurgeon, Taipei Veterans General Hospital
Research Fellow, Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
Section Chief, Department of Critical Care Neurosurgery, Taipei Veterans General Hospital
President, Taiwan Skull Base Society