Dr. Johnston is Professor of Marketing at the Roy E. Crummer Graduate School of Business, Rollins College in Winter Park, Florida. He earned his Ph.D. in Marketing in 1986 from Texas A&M University. Prior to receiving his doctorate he worked in industry as a sales representative for a leading distributor of photographic equipment. His research has resulted in published articles in a number of professional journals such as Journal of Marketing Research, Journal of Applied Psychology, and Journal of Personal Selling and Sales Management and many others. He is also co-author of Sales Force Manage...