David Garvin, Harvard Business School professor. Also: Judith Ross on retaining your top performers during times of change.

Jon Lukomnik, managing parter of Sinclair Capital LLC and coauthor of "The New Capitalists: How Citizen Investors Are Reshaping the Corporate Agenda."

Don Tapscott, CEO of New Paradigm and coauthor of "Wikinomics: How Mass Collaboration Changes Everything."

David Weinberger, fellow at Harvard Law School's Berkman Center for Internet & Society and author of "Everything Is Miscellaneous."

Patrick Lencioni, founder and president of The Table Group and author of "The Three Signs of a Miserable Job: A Fable for Managers."

Alyson Slater, director of strategy for the Global Reporting Initiative.

Scott Anthony, president of Innosight and lead author of "The Innovator's Guide to Growth: Putting Disruptive Innovation to Work."

Katherine Bell, senior editor of hbr.org.

Christina Bielaszka-DuVernay, editor of Harvard Management Update.

Andrew Winston, founder of Winston Eco-Strategies and coauthor of "Green to Gold."

Walter Kiechel, former managing editor at Fortune magazine.

Scott Anthony, president of Innosight.

Barbara Kellerman, lecturer at the Harvard Kennedy School and author of "Followership: How Followers Are Creating Change and Changing Leaders."

Sydney Finkelstein, Tuck School of Business professor and author of "Why Smart Executives Fail: And What You Can Learn from Their Mistakes."

Paul Levy, president and CEO of Beth Israel Deaconess Medical Center in Boston.

Ira Kay and Anne Sheehan, executive compensation debaters.

Ron Heifetz, founder of the Center for Public Leadership at the Harvard Kennedy School and coauthor of "The Practice of Adaptive Leadership."

Featuring the ideas of Jeff Stibel, Dan Gillmor, and Tom Davenport.

Roberto Verganti, professor of management of innovation at Politecnico di Milano and author of "Design Driven Innovation."

Dr. Robert Blendon, professor at the Harvard School of Public Health and the John F. Kennedy School of Government.

Umair Haque, director of the Havas Media Lab.

Andrew McAfee, principal research scientist at MIT's Center for Digital Business and author of "Enterprise 2.0."

Whitney Johnson, founding partner of Rose Park Advisors.

Dr. Atul Gawande, surgeon at Brigham and Women's Hospital and author of "The Checklist Manifesto."

Tom Davenport, Babson College professor and coauthor of "Analytics at Work: Smarter Decisions, Better Results."

Matthew Dixon, managing director of the Corporate Executive Board's Sales and Service Practice.

Adm. Thad Allen, USCG (Ret.)

Leslie Gaines-Ross, chief reputation strategist at Weber Shandwick and author of the HBR article "Reputation Warfare."

Michael E. Porter, Bishop William Lawrence University Professor and coauthor of the HBR article "Creating Shared Value."

John Donahoe, CEO of eBay.

Andrew Waldeck, partner at Innosight and coauthor of the HBR article "The New M&A Playbook."

Ricky Gervais, creator of the hit television series "The Office."

Pankaj Ghemawat, IESE Business School professor and author of "World 3.0: Global Prosperity and How to Achieve It."

Robert Iger, CEO of Disney.

Nicholas Dunbar, author of "The Devil's Derivatives: The Untold Story of the Slick Traders and Hapless Regulators Who Almost Blew Up Wall Street ... and Are Ready to Do It Again."

Michelle Bachelet, former President of Chile, executive director of UN Women.

Jib Ellison, founder of Blu Skye and coauthor of the HBR article "The Sustainable Economy."

Muhtar Kent, CEO of Coca-Cola.

Francis Ford Coppola, acclaimed film director.

Scott Berinato, HBR senior editor, featuring the ideas of Yale economist Robert Shiller, journalist Gregg Easterbrook, and Pulitzer Prize-winning columnist Ellen Goodman.

Dan Pallotta, president of Advertising for Humanity and author of "Uncharitable."

Tom Davenport, Babson College professor and coauthor of "Judgment Calls: Twelve Stories of Big Decisions and the Teams That Got Them Right."

Christiane Amanpour, renowned war correspondent and news anchor.

Ken Favaro, senior partner at Booz & Company and coauthor of the HBR article "Creating an Organic Growth Machine."

Boris Groysberg and Michael Slind, authors of "Talk, Inc.: How Trusted Leaders Use Conversation to Power Their Organizations."

Gautam Mukunda, Harvard Business School assistant professor and author of "Indispensable: When Leaders Really Matter."

Maxwell Wessel, fellow at the Forum for Growth and Innovation and coauthor of the HBR article "Surviving Disruption."

Chrystia Freeland, editor of Thomson Reuters Digital and author of "Plutocrats: The Rise of the New Global Super-Rich and the Fall of Everyone Else."

John Mackey, co-CEO of Whole Foods Market and coauthor of "Conscious Capitalism: Liberating the Heroic Spirit of Business."

Bruce Nussbaum, professor at Parsons The New School of Design and author of "Creative Intelligence: Harnessing the Power to Create, Connect, and Inspire."