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George Day

George Day, PhD

Geoffrey T. Boisi Professor Emeritus; Faculty Emeritus in Residence of Mack Institute of Innovation Management, The Wharton School

Research Interests:Competitive strategies in global markets, strategic planning processes

About George

George S. Day is the Geoffrey T. Boisi Emeritus Professor at the Wharton School of the University of Pennsylvania.  He was previously the executive director of the Marketing Science Institute and the founder and co-director of the Mack Institute for Innovation Management.

He has been a consultant to numerous corporations such as General Electric, IBM, Unilever, E.I. DuPont de Nemours, W.L Gore & Associates, Boeing, LG Corp., Best Buy, Merck, Johnson & Johnson, Agilent, and Medtronic. He is the past chairman of the American Marketing Association. His primary areas of activity are marketing, strategy making, organic growth and innovation, organizational change, and competitive strategies in global markets. He has served on 10 boards of directors for nonprofit organizations and for-profit companies.

Professor Day has authored 19 books in the areas of marketing, innovation, and strategic management. His most recent books are Strategy from the Outside In: Profiting from Customer Value (with Christine Moorman), 2010; Innovation Prowess: Leadership Strategies for Accelerating Growth, 2013; and See Sooner — Act Faster: How Vigilant Leaders Thrive in an Era of Digital Turbulence (with Paul Schoemaker), 2019.

He has won 10 best article award and one best book award, and two of his articles were among the top 25 most influential articles in marketing science in the past 25 years. He was honored with the Charles Coolidge Parlin Award in 1994, the Paul D. Converse Award in 1996, the Sheth Foundation award in 2003,the Mahajan Award for career contributions to strategy in 2001, and the William L. Wilkie, Marketing for a Better World award in 2017. In 2003, he received the AMA/Irwin/McGraw-Hill Distinguished Marketing Educator Award. In 2011, he was chosen as one of 11 “Legends in Marketing.” In 2020, he received the Sheth Medal, awarded every two years for distinguished contributions to marketing and strategic management.

Read full faculty bio on Wharton website


Executive Education Programs Taught

Digital Strategy in the Era of AI Certificate

AI is reshaping how organizations compete, create value, and make decisions, yet most leaders are expected to act before the path forward is fully clear. The Digital Strategy in the Era of AI Certificate moves beyond tools and hype to focus on the strategic, organizational, and leadership decisions that determine whether transformation efforts succeed. Across four self-paced courses, you will learn to diagnose disruption, evaluate where AI creates real advantage, design credible strategies, and lead change with confidence using practical frameworks and work-ready tools you can apply immediately.

Leading the Digital Organization

Most organizations understand digital disruption. Far fewer succeed in reorganizing people, structures, and incentives to respond over time. Leading the Digital Organization focuses on closing that execution gap by addressing the leadership and organizational choices that determine whether transformation efforts take hold. You will learn to design ambidextrous organizations, align networks and incentives, and build vigilance for ongoing change using practical frameworks and tools you can apply immediately inside your organization.