Leonard Berry, PhD, is Distinguished Professor of Marketing, and holds the M.B. Zale Chair in Retailing and Marketing Leadership in the Mays Business School at Texas A&M University. He is also Professor of Humanities in Medicine, College of Medicine, Texas A&M Health Science Center. Dr. Berry is the author of several service quality bestsellers and the recipient of the 2007 American Marketing Association/Irwin/McGraw-Hill Distinguished Marketing Educator Award and the 2008 Paul D. Converse Award.Kent Seltman, PhD, served as director of marketing at Mayo Clinic from 1992 through 2006. With more than 25 years of experience in healthcare marketing, Dr. Seltman writes and lectures frequently on marketing and branding. He also served as editor of Marketing Health Services, published by the American Marketing Association.