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

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

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

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

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

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

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

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

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

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

Dan McGinn and Scott Berinato, HBR senior editors.

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."

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

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

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

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

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

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

Stephanie Coontz, professor of history at The Evergreen State College and author of "A Strange Stirring."

Peter Bregman, author of "18 Minutes: Find Your Focus, Master Distraction, and Get the Right Things Done."

Kareem Abdul-Jabbar, basketball legend, New York Times best-selling author, and filmmaker.

Andy O'Connell and Scott Berinato, editors of the Idea Watch section of HBR and The Daily Stat.

Tiziana Casciaro and Lotte Bailyn discuss the HBR case study "When to Make Private News Public."

Mihir Desai, Harvard Business School professor and author of the HBR article "The Incentive Bubble."

Avivah Wittenberg-Cox, CEO of the consultancy 20-first and author of "How Women Mean Business."

Charlotte Fritz, assistant professor at Portland State University.

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

Doc Searls, alumnus fellow at the Berkman Center for Internet & Society at Harvard University and author of "The Intention Economy."

Ian Bremmer, president of Eurasia Group and author of "Every Nation for Itself: Winners and Losers in a G-Zero World."

Paul Polman, CEO of Unilever.

Grant McCracken, anthropologist and author of "Culturematic: How Reality TV, John Cheever, a Pie Lab, Julia Child, Fantasy Football . . . Will Help You Create and Execute Breakthrough Ideas."

Charles Duhigg, reporter for The New York Times and author of "The Power of Habit: Why We Do What We Do in Life and Business."

Michael Schrage, research fellow at MIT Sloan School's Center for Digital Business and author of the HBR Single "Who Do You Want Your Customers to Become?"

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

Andrew Zolli, director of PopTech and coauthor of "Resilience: Why Things Bounce Back."

Susan Cain, author of "Quiet: The Power of Introverts in a World that Can't Stop Talking."

Matt Dixon, director at Corporate Executive Board and coauthor of the HBR article "The End of Solutions Sales."

Dan McGinn, HBR senior editor and author of the article "Too Many Pivots, Too Little Passion."

Frank Partnoy, professor of law and finance at the University of San Diego and author of "Wait: The Art and Science of Delay."

Cassie Mogilner, assistant professor of marketing at the Wharton School and author of the HBR article "You'll Feel Less Rushed If You Give Time Away."

Frank Barrett, jazz pianist and author of "Yes to the Mess: Surprising Leadership Lessons from Jazz."

Russ Feingold, former US senator from Wisconsin and founder of Progressives United.

Tom Ricks, journalist and author of the HBR article "What Ever Happened to Accountability?"

Jodi Glickman, founder of the communication training firm Great on the Job and contributor to the "HBR Guide to Getting a Job."

James Allworth, regular contributor to HBR and coauthor of the Nieman Reports article "Breaking News: Mastering the Art of Disruptive Innovation in Journalism."

Alexandra Samuel, vice president of social media at Vision Critical.

Tim Sullivan, editorial director of Harvard Business Review Press and coauthor of "The Org: The Underlying Logic of the Office."

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

Christine Porath, associate professor at Georgetown University's McDonough School of Business and coauthor of the HBR article "The Price of Incivility."

Jeanne Meister, partner at Future Workplace and contributor to the "HBR Guide to Managing Up and Across."