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.

Paul Nunes, executive director of research at the Accenture Institute for High Performance and coauthor of "Jumping the S-Curve."

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

With insights from A.G. Lafley, Dan Ariely, Bob Sutton, Daniel Pink, and more.