 McNamara currently serves as the Thomas M. and Doris Graber Endowed Professor of Dentistry in the Department of Orthodontics and Pediatric Dentistry at the University of Michigan School of Dentistry, professor of cell and developmental biology at the University of Michigan Medical School and research scientist at the Center for Human Growth and Development.McNamara is a member and past-president of the Midwest component of the Edward H. Angle Society of Orthodontists.He served as the chairman of the Council on Scientific Affairs of the American Association of Orthodontics from 1993 to 1996, and is currently the editor-in-chief of Craniofacial Growth Monograph Series, a 41-volume work published through the University of Michigan.