Ian C. MacMillan is the Dhirubhai Ambani Professor of Innovation and Entrepreneurship at the University of Pennsylvania’s Wharton School. He is also the executive director of the school’s Sol C. Snider Entrepreneurial Research Center. He has taught at Columbia University, Northwestern University, and New York University.

He has been a director of companies in the travel, import-export, and pharmaceutical businesses in the United States, South Africa, Canada, Hong Kong, and Japan. He has also consulted for numerous companies, including Microsoft, DuPont, General Electric, IBM, and Citibank.

MacMillan is the author or a coauthor of books and articles on new ventures, innovation, organizational politics, and strategy formulation. For example, Discovery-Driven Growth (Harvard Business Review Press, 2009), coauthored with Rita Gunther McGrath, focuses on how to use incremental, game-changing, and radical innovations to grow the value of a company. Unlocking Opportunities for Growth (Wharton School Publishing, 2008), with Alexander B. van Putten, provides guidelines for selecting, valuing, and pursuing highly uncertain but high-potential growth opportunities. MarketBusters (Harvard Business Review Press, 2005), also with McGrath, focuses on strategies that firms can use to dramatically change their existing businesses. His articles have appeared in Harvard Business Review, MIT Sloan Management Review, and the Journal of Business Venturing, among others.

MacMillan received a BS in chemical engineering from the University of Witwatersrand, in Johannesburg, and both a master’s degree and a doctorate in management from the University of South Africa.

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