Melissa Rivers

Actress, Television Host & Producer, Equestrienne, and Philanthropist; Daughter of Late Comedian Joan Rivers

Jenna Marbles

YouTube Sensation

John Ratzenberger

Emmy-Nominated Actor, Entrepreneur & Philanthropist

Michael C. Anthony

Bestselling Author, Body Language Expert & Kidney Disease Survivor

Jason Clay

Senior Vice President of Food & Markets at WWF

Louie Schwartzberg

Award-Winning Cinematographer, Director, Photographer and Filmmaker

Winona LaDuke

Executive Director of Honor the Earth

Jenny Lawson

Writer, Humorist & Mental Health Advocate; NYT Bestselling Author of "Let's Pretend This Never Happened," "Furiously Happy," & "You Are Here and Broken"

Mark Ballas

Dancing with the Stars Champion & Mental Health Activist

Dr. Paul Wolpe

Director of the Emory Center for Ethics

Darcy Winslow

Former Nike Global Sustainability Guru and Managing Partner at The Academy for Systemic Change

Jeffrey Hayzlett

Primetime TV & Podcast Host, Keynote Speaker, Best-Selling Author and Global Business Celebrity

Ramona Pierson

Former Managing Director, Head of Product and Innovation at PwC

Ian Morris

Jean and Rebecca Willard Professor of Classics and Professor of History

Tommy Caldwell & Kevin Jorgeson

Legendary Climbers of El Capitan

Clarence B. Jones

Former Adviser & Speechwriter for Martin Luther King Jr.

Nina Easton

Chair of Fortune Most Powerful Women International; SiriusXM Radio Host, Award-Winning Columnist & TV Commentator

Ed Slott

Nationally Recognized IRA Distribution Expert, Professor, Television Personality & Best-Selling Author

Ed Slott, CPA | America's IRA Expert

Anthony Atala

Director, Wake Forest Institute for Regenerative Medicine

Vern Yip

Celebrity Interior Designer, Known For TLC's "Trading Spaces"