J. Leslie Winston - June 2012 Tuesday, June 5, 2012 0 2693 J. Leslie Winston, D.D.S., Ph.D., is the director of global professional & scientific relations for Procter & Gamble Oral Health. There, she is responsible for representing Crest Oral-B science and products to the dental community, dental professional organizations and opinion leaders. Winston has previous experience in clinical trials research and technology development. She received her dental degree from the University of Iowa, and her Ph.D. in oral biology from the State University of New York at Buffalo (now the University at Buffalo) as well as her certificate in periodontology. Read more