Mark Paul Leach is the Mendicino Family Chair of Sales and Salesmanship and Professor of Marketing. His research focuses on business-to-business marketing and sales, with particular emphasis on buyer-seller relationships, leveraging the sales function to manage profitable customer relationships, and effective sales training. Mark’s work has been published in leading academic journals including Industrial Marketing Management, Journal of Business Research, Journal of Personal Selling & Sales Management, and the Journal of Applied Social Psychology. He serves on the editorial review boards of the Journal of Marketing Theory and Practice, the Journal of Business and Industrial Marketing, and the Journal of Business-to-Business Marketing.

Before joining the University of Wyoming in 2017, Mark held faculty positions at Loyola Marymount University and Purdue University, and served as a behavioral research scientist at the Centers for Disease Control and Prevention. He holds a Ph.D. from Georgia State University and a B.S. from the University of Arizona.