• Attending physician of division of thoracic surgery, department of surgery, Far Eastern Memorial Hospital, New Taipei city, Taiwan
• Assistant professor, Faculty of Medicine, Yang-Ming University, Taipei, Taiwan

• Benign and malignant disease of lung.
• Benign and malignant disease of esophagus.
• Benign and malignant disease of mediastinum.
• Trachea, pleura, diaphragm, and chest wall disease.

• China Medical University, Taichung, Taiwan

• Attending physician of division of thoracic surgery, Department of surgery, Taipei Veteran General Hospital, Taipei, Taiwan
• Chief resident of department of surgery, Taipei Veteran General Hospital, Taipei, Taiwan
• Chief resident of department of surgery, Koo-foundation Sun-Yat San Cancer Center Hospital.