A native of central California, Dr. Welsh completed his undergraduate studies at Brigham Young University earning a degree in Linguistics. He continued his medical school studies at Tulane University. He completed his general surgery residency training at the University of Hawaii followed by a fellowship in minimally invasive and bariatric surgery at Duke University including a year of dedicated research in bariatric surgery outcomes. He is certified by the American Board of Surgery and a member of the American College of Surgeon and the Society of American Gastrointestinal and Endoscopic Surgeons. He has published multiple book chapters and peer-reviewed journal articles. He has clinical interests in minimally invasive surgical techniques, bariatric surgery, and surgical ethics.