Donald S. Clem III, DDS received his DDS at Loyola University of Chicago. He then completed a General Practice Residency at the North Chicago VA Medical Center and Great Lakes Naval Regional Medical Center. Dr. Clem completed his periodontal specialty training at the University of Texas Health Science Center at San Antonio in 1984. He is a Diplomate of the American Board of Periodontology. He has served the profession in many compacities including President of the California Society of Periodontists, President of the American Academy of Periodontology Foundation, President of the American Academy of Periodontology.

He is the recipient of numerous awards including Outstanding Contribution to the Field of Periodontics by the California Society of Periodontists, 4 Special Citations from the American Academy of Periodontlogy, The Clinical Research Award from the AAP. He is a fellow in the American College of Dentists, International College of Dentists and the Pierre Fuchard Academy.

Dr. Clem has lectured extensively throughout the world and has published over 20 articles or textbook chapters.