Philip Kotler is an American marketing author, consultant, and professor emeritus; the S. C. Johnson & Son Distinguished Professor of International Marketing at the Kellogg School of Management at Northwestern University (1962–2018). He is known for popularizing the definition of marketing mix. He is the author of over 80 books, including Marketing Management, Principles of Marketing, Kotler on Marketing, Marketing Insights from A to Z, Marketing 4.0, Marketing Places, Marketing of Nations,...