Joseph Stiglitz

American Economist, Professor at Columbia University & Nobel Memorial Prize in Economic Sciences 2001

Gloria Steinem

Feminist Writer, Activist & Organizer; Co-Founder of New York Magazine & Ms. Magazine

Peter Senge

Senior Lecturer in Leadership and Sustainability at the MIT Sloan School of Management, Pioneer in the Field of Learning Organizations, and Author of The Fifth Discipline

Phylicia Rashad

Actress, Dean of Fine Arts at Howard University, Advocate for Children, Women's Issues & Fine Arts

Jacqueline Novogratz

Founder & CEO of Acumen Fund

Pranav Mistry

Computer Scientist & Inventor

Mark Messier

Former Professional Ice Hockey Player & Six-Time Stanley Cup Winner

Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

Stacy London

Stylist, Author, Magazine Editor, Known for her role as Co-Host of TLC's "What Not to Wear"

Nastia Liukin

Olympic Gold Medal Gymnast

Matthew Kelly

Internationally-Acclaimed Speaker & Bestselling Author

Nothing Is Random: The Old, The New, and The Enduring Ideas In Business

Garry Kasparov

World Champion Chess Expert & Strategist; Chairman of the Human Rights Foundation based in New York

Dan Ariely

Behavioral Economist; Professor at Duke University; Author; Founding Member of The Center for Advanced Hindsight

Paola Antonelli

Senior Curator at the Museum of Modern Art in the Department of Architecture & Design

Paula Abdul

American Singer-Songwriter, Dancer, Choreographer & TV Personality

Marcus Luttrell

Decorated Navy SEAL & Bestselling Author of "Lone Survivor"

Jenna Bush-Hager

Best-selling Author; Contributing Correspondent, NBC's Today; Chair, UNICEF's Next Generation and Editor-at-Large, Southern Living Magazine

Superpower Sisterhood with Jenna Bush Hager and Barbara Pierce ...

Jillian Michaels

Leading Fitness Expert, Certified Nutritionist, Renowned Life Coach & Powerful Entrepreneur

Debra Messing

Emmy Award-Winning Actress & Global Ambassador for PSI/Youth AIDS

Jeremy Rifkin

Leading Global Technologist, Futurist, Authority on World Economic & Environmental Trends