At the beginning of his academic career, Prof. Quirk spent six years in educational research at The American Institutes for Research and Educational Testing Service. He then taught Social Psychology, Educational Psychology, General Psychology, Marketing, Management, and Accounting at Principia College, and is currently a Professor of Marketing in the George Herbert Walker School of Business & Technology at Webster University based in St. Louis, Missouri (USA) where he teaches Marketing Statistics, Marketing Research, and Pricing Strategies.  He has written 60+ textbook supplements in Marketing and Management, published 20+ articles in professional journals, and presented 20+ papers at professional meetings. He holds a B.S. in Mathematics from John Carroll University, both an M.A. in Education and a Ph.D. in Educational Psychology from Stanford University, and an M.B.A. from The University of Missouri-St. Louis. Prior to receiving her doctorate, Prof. Cummings worked for several hospitals including Barnes-Jewish Hospital, Children's Hospital, and St. Louis Regional Hospital, all in St. Louis, Missouri (USA), as well as Columbia Hospital for Women in Washington, D.C. She began her academic career in the Health Care Administration program at Simmons College in Boston and later taught in the Health Administration Program at Washington University in St. Louis. Prof. Cummings is currently an Associate Professor of Healthcare Management in the George Herbert Walker School of Business & Technology at Webster University in St. Louis, Missouri where she teaches Statistics for Healthcare Management and Healthcare Finance. She holds a B.S. in Business Administration from the Olin School of Business at Washington University in St. Louis, an M.H.A. from the Washington University School of Medicine, and a Ph.D. in Health Policy and Administration from the Gillings School of Public Health at the University of North Carolina ChapelHill. Prof. Cummings is an active tennis player and also enjoys reading horror novels. She is married to Donald Lawrence and they have two daughters, Nina Marie and Madison Elise.