Gary Armstrong is a nationally recognized marketing researcher, teacher and textbook author.

His research has focused on issues in sales force management, business-to-business marketing and public policy for advertising.

An award-winning teacher, Dr. Armstrong co-authors two best-selling marketing textbooks with Philip Kotler:  Principles of Marketing (13th edition, 2009) and Marketing: An Introduction (9th edition, 2008), both published by Pearson/Prentice Hall.

Dr. Armstrong consults with various companies on marketing management, sales management and marketing research.

He received his PhD from Northwestern and MBA and BSBA from Wayne State University.