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

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

Julia Kirby, HBR editor at large.

Herminia Ibarra, professor of organizational behavior at INSEAD and coauthor of the HBR article "The Best-Performing CEOs in the World."

Tammy Erickson, author of "What's Next, Gen X?: Keeping Up, Moving Ahead, and Getting the Career You Want."

Nicholas Eisenberger, managing principal of GreenOrder, joins us from Copenhagen.

Whitney Johnson, founding partner of Rose Park Advisors.

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

Umair Haque, director of the Havas Media Lab.

Roger Martin, dean of the Rotman School of Management and author of "The Design of Business."

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

William Eggers, global research director at Deloitte and coauthor of "If We Can Put a Man on the Moon."

Vijay Govindarajan, director of the Center for Global Leadership at the Tuck School of Business and coauthor of the HBR article "How GE Is Disrupting Itself."

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

John Baldoni, leadership consultant and author of "Lead Your Boss: The Subtle Art of Managing Up."

Leslie Perlow, Harvard Business School professor and coauthor of the HBR article "Making Time Off Predictable--and Required."

Cesare Mainardi, managing director of Booz & Company and coauthor of "Cut Costs, Grow Stronger."

Bill Sahlman, Harvard Business School professor and Senior Associate Dean for External Relations.

Gareth Jones, fellow of the Centre for Management Development at London Business School and coauthor of "Clever."

Stewart Friedman, Wharton School professor and author of "Total Leadership: Be a Better Leader, Have a Richer Life."

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

Paul Hemp, HBR contributing editor and author of the HBR article "Death by Information Overload."

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

Gary Pisano, Harvard Business School professor and coauthor of the HBR article "Restoring American Competitiveness."

Sylvia Ann Hewlett, founding president of the Center for Work-Life Policy and coauthor of the HBR article "How Gen Y and Boomers Will Reshape Your Agenda."

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

Darrell Rigby, partner at Bain & Company and author of "Winning in Turbulence."

Richard Bohmer, physician, Harvard Business School professor, and author of "Designing Care: Aligning the Nature and Management of Health Care."

Niall Ferguson, professor of history at Harvard University and professor of business administration at Harvard Business School.

David Silverman, author of "Typo: The Last American Typesetter or How I Made and Lost 4 Million Dollars."

Bob Seelert, chairman of Saatchi & Saatchi and author of "Start with the Answer: And Other Wisdom for Aspiring Leaders."

Ira Kay and Anne Sheehan, executive compensation debaters.

Dave Ulrich, cofounder of the RBL Group and coauthor of "The Leadership Code: Five Rules to Lead By."

Bob Sutton, professor of management science and engineering at Stanford University and author of the HBR article "How to Be a Good Boss in a Bad Economy."

Paul Osterman, professor at the MIT Sloan School of Management and author of "The Truth About Middle Managers."

Bill Drayton, founder and CEO of Ashoka.

Claudio Fernández-Aráoz, senior adviser at Egon Zehnder International and coauthor of the HBR article "The Definitive Guide to Recruiting in Good Times and Bad."

Ann Livermore, executive vice president of Hewlett-Packard's Technology Solutions Group.

Dick Beatty, professor of human resource management at Rutgers University and coauthor of "The Differentiated Workforce."

Rita McGrath, Columbia Business School professor and coauthor of "Discovery-Driven Growth."

Umair Haque, director of the Havas Media Lab.

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

Henry Mintzberg, professor of management at McGill University.

John Quelch, Harvard Business School professor and coauthor of the HBR article "How to Market in a Downturn."

Philip Lay and Todd Hewlin, managing directors at TCG Advisors and coauthors of the HBR article "In a Downturn, Provoke Your Customers."

Bronwyn Fryer, HBR senior editor and author of the case study "The Layoff."

Paul Krugman, Nobel Prize-winning economist and op-ed columnist for The New York Times.

Colonel Tom Kolditz, professor and head of the department of Behavioral Sciences and Leadership at the U.S. Military Academy at West Point.

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

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