Dr. Tseng is a general surgeon with special training in Advanced Laparoscopic Surgery. After residency at OHSU, he spent two additional years in advanced specialty training devoted solely to Laparoscopic Surgery. His interests are primarily in esophageal, general gastrointestinal, and solid organ surgery. He is a fellow of the American College of Surgeons. He is a member of the Society for American Gastrointestinal Endoscopic Surgeons, Society for the Surgery of the Alimentary Tract, Clinical Robotic Surgery Association, and Pacific Coast Surgery Association.