Umair Haque, director of the Havas Media Labs and author of "Betterness: Economics for Humans."

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

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

John Coleman, coauthor of "Passion and Purpose," with contributors Patrick Chun, Umaimah Mendhro, and Rye Barcott.

Cathy Davidson, Duke University professor and author of "Now You See It: How the Brain Science of Attention Will Transform the Way We Live, Work, and Learn."

Gary Hamel, director of the Management Innovation eXchange and author of the HBR article "First, Let's Fire All the Managers."

Misiek Piskorski and Anthony J. Bradley, of Harvard Business School and Gartner Research, respectively.

Heidi Grant Halvorson, motivational psychologist and author of "Nine Things Successful People Do Differently."

Nancy Koehn, Harvard Business School historian and editor of "The Story of American Business."

Michael Beer, Harvard Business School professor and coauthor of "Higher Ambition: How Great Leaders Create Economic and Social Value."

Douglas Conant, former CEO of Campbell's Soup Company.

Steven Levy, senior writer at Wired and author of "The Perfect Thing" and "Insanely Great."

Sir Michael Rake, chairman of BT Group, and Alastair Campbell, Tony Blair's former communications director, sat down with editor in chief Adi Ignatius at the launch of Harvard Business Review's London office.

Francis Ford Coppola, acclaimed film director.

Muhtar Kent, CEO of Coca-Cola.

Sylvia Ann Hewlett and Ripa Rashid, authors of "Winning the War for Talent in Emerging Markets: Why Women Are the Solution."

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

Fred Reichheld and Rob Markey, authors of "The Ultimate Question 2.0."

Rick Ridgeway, vice president of environmental initiatives at Patagonia.

Robert S. Kaplan, Harvard Business School professor and coauthor of the HBR article "How to Solve the Cost Crisis in Health Care."

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

Robert Kaplan, Harvard Business School professor and author of "What to Ask the Person in the Mirror."

Rafi Mohammed, pricing strategy consultant and author of "The 1% Windfall: How Successful Companies Use Price to Profit and Grow."

Rob Cross, associate professor at the University of Virginia's McIntire School of Commerce and coauthor of the HBR article "A Smarter Way to Network."

Dan McGinn and Scott Berinato, HBR senior editors.

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."

Morten Hansen, professor at the UC Berkeley School of Information and author of "Collaboration."

Justin Fox, editorial director of the HBR Group and author of the article "Disrupting Higher Ed."

Robert Iger, CEO of Disney.

Stefano Puntoni, professor at the Rotterdam School of Management and author of the HBR article "The Color Pink Is Bad for Fighting Breast Cancer."

Maggie Craddock, author of "Power Genes: Understanding Your Power Persona--and How to Wield It at Work."

Tom DeLong, Harvard Business School professor and author of "Flying Without a Net: Turn Fear of Change into Fuel for Success."

Henry Nothhaft, serial entrepreneur and author of "Great Again: Revitalizing America's Entrepreneurial Leadership."

Anita Woolley, assistant professor of organizational behavior and theory at Carnegie Mellon University and coauthor of the HBR article "What Makes a Team Smarter? More Women."

David Bryce, professor of strategy at Brigham Young University's Marriott School of Management and coauthor of the HBR article "Competing Against Free."

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

Marc Freedman, founder and CEO of Civic Ventures and author of "The Big Shift: Navigating the New Stage Beyond Midlife."

Anthony Bourdain, celebrity chef and host of the Travel Channel's "Anthony Bourdain: No Reservations."

Bob Pozen, senior lecturer at Harvard Business School and author of the HBR article "Extreme Productivity."

Sherry Turkle, MIT professor and author of "Alone Together: Why We Expect More from Technology and Less from Each Other."

Jonah Keri, sports and stock market writer; author of "The Extra 2%."

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

Ben Dattner, founder of Dattner Consulting and author of "The Blame Game."

Martin Seligman, director of the Positive Psychology Center at the University of Pennsylvania and author of the HBR article "Building Resilience."

Bernd Vogel, assistant professor of leadership and organizational behavior at the Henley Business School and coauthor of "Fully Charged."

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

Paul Leinwand, partner in Booz & Company's global consumer, media, and retail practice; coauthor of "The Essential Advantage."

Saul Berman, vice president and global lead partner for Strategy Consulting at IBM Global Business Services and author of "Not for Free."

Zakary Tormala, associate professor of marketing at Stanford's Graduate School of Business.

John Donahoe, CEO of eBay.