Jimmy Tingle has worked his way up the stand-up comedy ladder from open mics and street performer to commentator/humorist on “60 Minutes II” and commencement speaker at the Hallowed Halls of Harvard. He now stands among the top social and political humorists of his generation as he aspires to make audiences of all backgrounds and political persuasions see the humor in their daily lives.

Director of Harvard's Belfer Center for Science and International Affairs, Graham Allison is a leading analyst of U.S. national security and defense policy with a special interest in nuclear weapons, terrorism, and decision-making. As Assistant Secretary of Defense in the first Clinton Administration, Dr. Allison received the Defense Department's highest civilian award, the Defense Medal for Distinguished Public Service, for "reshaping relations with Russia, Ukraine, Belarus, and Kazakhstan to reduce the former Soviet nuclear arsenal."

How do you turn a t-shirt brand that’s sold from the trunk of a rusty car into a global, multi-million dollar business? Johnny Earle transformed Johnny Cupcakes into one of the world’s fastest growing independent businesses. Businessweek named him America’s No. 1 young entrepreneur, and he has been profiled by the New York Times, NPR, MTV, Forbes, Newsweek, the Boston Globe, and INC. By focusing on the customer experience (he wants buying a t-shirt to feel like your birthday), he created such a unique brand that consumers would (and do) line up around the block for his shirts.

Patrick Sweeney is an entrepreneur, angel investor, and world-record holder. He comes from the blue-collar suburbs of Boston and paid his way through state school, where he discovered rowing. He finished 2nd in the Olympic trials and earned a Top 5 MBA near the top of his class where he caught the entrepreneurial bug. He started three technology companies, sold them for millions, and left it all behind after battling a rare form of leukemia. He has used research to unlock the secrets of feat and peak performance, creating a framework to teach anyone how to achieve the life of their dreams. His mission now is to help people use fear to transform their lives and their organizations. Sweeney’s speeches demonstrate this framework with inspirational examples and actionable tips to power positive change using neuroscience, entrepreneurship, and adventures.