Michael O’Callaghan, DDS, FAGD, is a family practice dentist in Allegan, Michigan. After graduating from the University of Detroit School of Dentistry in 1981, he served as chief resident in a hospital-based general practice residency in New York. He returned to Michigan to open a private practice in 1983, and still continues to practice there today. In addition, he volunteers as a clinical assistant professor at the Indiana University School of Dentistry. Since 2006, he has been involved with Global Health Outreach, CMDA’s short-term missions program, and currently leads three teams annually. He assisted in initiating new GHO outreaches in Cambodia and India focusing on treating and caring for victims of human trafficking.