George Foreman

World Boxing Champion & Entrepreneur

Hunter Boylan

Former Director of the National Center for Developmental Education, Professor at Appalachian State University

Eric Mazur

Physicist & Educator at Harvard; Entrepreneur in Technology Start-Ups for the Educational and Photonics Markets

José M. Hernández

Former NASA Astronaut, Engineer, Former Candidate for U.S. Congress & Author

Aloe Blacc

Singer-Songwriter, Rapper & Musician; Known for "I Need A Dollar" & "Wake Me Up"

Robert Kegan

Harvard Professor & Psychologist

Nicole Curtis

Host of DIY's and HGTV's Home Renovation Show, "Rehab Addict"

Matt Stutzman

Known as "The Armless Archer"; Current World Record Holder for Longest Accurate Shot in Archery

Glennon Doyle

Author, Activist & Founder of Together Rising

Abbey Curran

Former Miss Iowa; Founder of “Miss You Can Do It Pageant”; Author

Usain Bolt

First Man in Olympic History to Win Both the 100m & 200m Races in World Record Times

Alex Stupak

Chef and Co-Owner of Empellón Restaurants

Hayley Wickenheiser

Canadian Former Ice Hockey Player; Resident Physician & Assistant General Manager for the Toronto Maple Leafs

Bob Nelson

Leading Authority on Employee Recognition, Motivation & Engagement

Work Made Fun Gets Done!: Easy Ways to Boost Energy, Morale, and Results

Stacey Bess

Award-Winning Educator; Keynote Speaker; Advocate for Homeless Youth

Sam Silverstein

Organizational Culture Expert, Founder of The Accountability Institute™ & Creator of The Culture Audit™

"Science Bob" Pflugfelder

Science Communicator, Teacher, Author & Television Personality

Todd Martin

CEO of Designate, International Tennis Hall of Fame, Tennis Icon, Professional Tennis Coach & Mentor

Sallie Krawcheck

Founder & CEO of Ellevest; Author of "Own It: The Power of Women at Work"

Timothy Shriver

Chairman & CEO of the Special Olympics