Michael Maccoby, director of the Project on Technology, Work, and Character; author of "The Leaders We Need: And What Makes Us Follow."

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

Linda Hill, Harvard Business School professor and author of the HBR article "Where Will We Find Tomorrow's Leaders?"

Dr. Robert Rosen, founder and CEO of Healthy Companies International and author of "Just Enough Anxiety: The Hidden Driver of Business Success."

Bill Taylor, cofounder of Fast Company magazine.

Featuring the ideas of Vineet Nayar, Jeff Stibel, and Stewart Friedman.

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

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

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

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

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

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

Mansour Javidan, dean of research at the Thunderbird School of Global Management and coauthor of the HBR article "Making It Overseas."

Dr. Thomas Lee, network president of Partners HealthCare System and professor of medicine at Harvard Medical School.

Warren Bennis, professor at the University of Southern California and author of "Still Surprised: A Memoir of a Life in Leadership."

Adm. Thad Allen, USCG (Ret.)

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

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

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

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

Rick Ridgeway, vice president of environmental initiatives at Patagonia.

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

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

Christiane Amanpour, renowned war correspondent and news anchor.

Marcus Buckingham, founder of TMBC and author of "StandOut."

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

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

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

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

Jeff Bezos, CEO of Amazon.com.

Joseph Badaracco, Harvard Business School professor.

William D. Eggers and Paul Macmillan, authors of "The Solution Revolution," discuss why "triple-strength" leaders are the best problem solvers.

Lisa Rosh, assistant professor of management at the Sy Syms School of Business at Yeshiva University, explains how to build trust through skillful self-disclosure.

Gianpiero Petriglieri, professor at INSEAD, on the new global elite.

Blake Irving talks about the company's renewed focus on small businesses and bringing on a new leadership team.

Herminia Ibarra, author of "Act Like a Leader, Think Like a Leader" and professor at INSEAD, on moving forward, even when it's not comfortable.

The Hollywood icon explains why she moved from acting to producing and directing, then launched a foundation that teaches mindfulness to kids.

David Krantz, the CEO of YP (formerly the Yellow Pages), explains how they've reinvented their business.

Dorie Clark, author of "Stand Out," on having more influence.

Pierre Nanterme discusses the forces changing consulting, and other knowledge-intensive industries.

Bill George, Harvard Business School professor and author of "Discover Your True North," gives advice to both new and experienced leaders.

There's a lot of crying and shouting both in politics and at the office. Gautam Mukunda of Harvard Business School and Gianpiero Petriglieri of INSEAD help us try to make sense of it all.

Mark Blyth of Brown University and Gianpiero Petriglieri of INSEAD discuss Britain's vote to leave the European Union.

Tim Brown, CEO and president of IDEO, on breakthrough problem-solving.

Harvard Business School professor Nancy Koehn talks about the surprising election of businessman Donald Trump as U.S. president, and what leaders throughout history can tell us about bridging divides and leading in times of uncertainty.

Bharat Anand, author of The Content Trap and professor at Harvard Business School, talks about the strategic challenges facing digital businesses, and explains how he and his colleagues wrestled with them when designing HBX, the school's online learning platform.

Larry Summers, former U.S. treasury secretary, is calling on American business leaders to stand up to President Donald Trump. Summers sharply criticizes the administration’s protectionist agenda, and he says it’s time for executives to call out how those policies undermine the economy and the country's best interests in the long term.

Sue Ashford, a professor at the University of Michigan’s Ross School of Business, breaks down her decades of research on leadership—who achieves it, and how a group grants it. She explains that the world isn’t divided into leaders and followers. Instead, it’s a state that everyone can reach, whether they’re officially in charge or not. She also explains why shared leadership benefits a team and organization. Ashford offers tips on how to effectively grow leadership in yourself and your employees.

Sydney Finkelstein, a professor of management at the Tuck School of Business at Dartmouth College, encourages leaders to approach their direct reports like teachers. As Finkelstein explains, being a teacher-leader means continually meeting face to face with employees to communicate lessons about professionalism, points of craft, and life. He says it’s easy to try and that teaching is one of the best ways to motivate people and improve their performance. Finkelstein is the author of “The Best Leaders Are Great Teachers” in the January–February 2018 issue of Harvard Business Review.

Kenneth Frazier, the CEO of the pharmaceutical company known as MSD outside of North America, discusses his upbringing and how it influences his leadership as chief executive. He is one of the few African-American CEOs in the Fortune 500, and shot to prominence after resigning from a council advising the Trump White House. Frazier discusses the importance of values in leadership and how Merck thinks about R&D and drug prices.