Jason Collins

First Openly Gay Player In Major League Sports; Retired NBA Player; Equality Advocate

Jenna Marbles

YouTube Sensation

Dara Torres

12x Olympic Medalist, NYT Bestselling Author, Entrepreneur & Healthcare Reform Advocate

Phil Donahue

Creator and Host of "Donahue," the Long-Running Talk Show

Brad Goreski

Celebrity Fashion Stylist; Star of Bravo's Reality Show "It's A Brad, Brad World"; Creative Director of C. Wonder

Phil Hansen

Internationally Recognized Multimedia Artist, Author & Innovator; Collaboration Art Experience Presenter

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Liz Wiseman

President of The Wiseman Group & Best-Selling Author of "Multipliers"

Ichak Adizes

Corporate Performance Expert & Authority on Managing Change

Sophia Bush

Actress, Humanitarian & Author

David McCandless

Author of "Information Is Beautiful" & Infographics Expert

Michael Eric Dyson

MSNBC Political Analyst, Former Host of NPR's "The Michael Eric Dyson Show" & Best-Selling Author

Ben Kaufman

Head of Product Labs, BuzzFeed, Founder, Quirky & Mophie

Jeff Arnold

CEO & Chairman of Sharecare; Former CEO of Howstuffworks and WebMD Corporation

Cass Sunstein

Director of the Behavioral Economics & Public Policy Program at Harvard Law School, NYT Best-Selling Author, Former Administrator of the White House Office of Information & Regulatory Affairs

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Laurie Holden

Actress Known For AMC's "The Walking Dead;" Human Rights Activist

Lauren Cohan

Actress; Best Known as Maggie Greene on "The Walking Dead"

Jonathan and Drew Scott (The Property Brothers)

Hosts of HGTV's "Property Brothers"

Kristen Kish

"Top Chef" Host & Season 10 Winner; Cookbook Author

Ian Morris

Jean and Rebecca Willard Professor of Classics and Professor of History

Steven Crowder

Conservative Commentator, Comedian & Former Fox News Contributor