Dr. Clark was in private practice dentistry from 1983-1989. From 1992-1997, he was in periodontics private practice. In 1998, Dr. Clark joined the Department of Family Dentistry as a visiting assistant professor and he is now clinical assistant professor.

Dr. Ganesan joined the Department of Periodontics as an assistant professor in June 2019. Prior to his move to the University of Iowa, Dr. Ganesan completed his PhD and certificate in periodontics at the Ohio State University in 2018 and a dental clinical research/post-doctoral fellowship (with Dr. Jacqueline Mays) at the National Institute of Dental and Craniofacial Research/ National Institutes of Health (NIDCR/NIH) in 2019. Dr. Ganesan is a credentialed medical staff at the Clinical Center at the NIH, Bethesda, MD and is a guest researcher at the Oral Immunobiology Unit, NIDCR, NIH.

After completing his M.S. and certificate in periodontics at Louisiana State University in 2016, Dr. Katsaros became a clinical assistant professor in the UI College of Dentistry's Department of Periodontics. He is also the Director of the Periodontics Graduate Program and Visiting Scholar program.

Dr. Van Otterloo joined the University of Iowa College of Dentistry in 2019 as an assistant professor in the Department of Periodontics. He was a Postdoctoral Fellow and Research Associate from 2012-2019 in the Department of Craniofacial Biology at the University of Colorado, School of Dental Medicine, before transitioning to UI.