Giant global management consulting company Accenture has compiled a list of the Top 50 Business Gurus — you know, those A-list authors, entrepreneurs, and other experts who spend their lives dishing out wisdom on the lecture circuit. The “clout rating” was based on a heavyweight’s number of Google hits, citations by academics, and mentions in the Lexis-Nexis data­base. If you’ve ever wondered who determines the intellectual fashions of corporate America, meet the alpha brains behind the curtain.

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1 Michael E. Porter: Harvard Business School professor and prolific writer on strategy topics

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2 Tom Peters: Author of In Search of Excellence and The Pursuit of Wow!

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3 Robert B. Reich: Former Clinton adminis-tration U.S. Secretary of Labor, Brandeis professor, and author of The Work of Nations

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4 Peter F. Drucker: “Godfather” of business-management thinking. Author of Post-Capitalist Society, The Effective Executive, and many others

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5 Gary S. Becker: Nobel laureate economist and senior fellow at the Hoover Institution

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6 Peter M. Senge: Organizational learning expert and author of The Fifth Discipline

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7 Gary Hamel: Leading thinker on strategy and innovation, he coauthored Competing for the Future

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8 Alvin Toffler: Futurist who wrote Future shock and The Third Wave and advised former House Speaker Newt Gingrich

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9 Hal R. Varian: Berkeley professor of business and economics who writes influential columns for The New York Times

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10 Daniel Goleman: Wrote Emotional Intelligence and Primal Leadership