Thomas Gellhaus, MD of Iowa City, Iowa, is the president of the American College of Obstetricians and Gynecologists (ACOG). He is a Clinical Associate Professor in the Department of Obstetrics and Gynecology at the University of Iowa Hospitals and Clinics in Iowa City, Iowa. He graduated from Yankton High School in Yankton, South Dakota, received his Bachelor of Arts Degree in Chemistry from Augustana College in Sioux Falls, South Dakota, and his Doctor of Medicine Degree from the University of Oklahoma in Oklahoma City, Oklahoma. He completed his residency in Obstetrics and Gynecology at the University of Iowa Hospitals and Clinics. Following residency, he entered private practice in Davenport, Iowa, and after 20 years in private practice, he returned to academic medicine at the University of Iowa.

Over the past 20 years, Dr. Gellhaus has served in many ACOG positions at the local, regional, national and international levels. He has completed the McCain Fellowship, a month-long, in-depth experience in advocacy, at ACOG in Washington, D.C., in 1999. In 2001, he was a Primary Care Policy Fellow with the U.S. Department of Health and Human Services. Dr. Gellhaus has also been very active in leading groups on short-term medical and surgical mission projects for the last 20 years. He has done numerous presentations about these short-term medical and surgical mission projects throughout the United States.