Alexander Ross Kerr received the B.Sc. degree in life sciences from Queen’s University at Kingston, Canada, the M.S.D. degree in dentistry from the University of Washington, Seattle, WA, USA, and the D.D.S. degree in dental surgery from McGill University, Canada. He is currently a Clinical Professor with the New York University College of Dentistry, USA, where he is the Director of the Oral Mucosal Disease Service. His research interests include oral cancer and premalignant disorders.