Claire Diaz-Ortiz

Author, Speaker, Advisor to Startups & Social Enterprises; Former Leader of Social Innovation at Twitter

Claire Holt

Actress Known for Her Role in "The Vampire Diaries," "The Originals" and "Aquarius"

Clare Kramer

Actress Best Known for "Bring It On" & "Buffy the Vampire Slayer"; Creator of GeekNation.com

Clayton King

Pastor, Founder & President of Clayton King Ministries

Clement Bezold

Founder of the Institute for Alternative Futures & Alternative Futures Associates

Clinton Kelly

Host of ABC's "The Chew"

Connie Podesta

Expert in Changing Lives; Author of "Life Would Be Easy If It Weren't For Other People"

Craig Bolerjack

Play-by-Play Announcer for the Utah Jazz

Craig Krenzel

Former Quarterback for Ohio State University; Led the Team to the 2002 National Championship

Dale Spencer

Expert in Overcoming Fear to Arrive at Professional and Personal Success; Board of Directors, ThinkFirst National Injury Prevention Foundation

Dale Talde

Chef, Consultant, Restaurateur and Former Contestant on Bravo's "Top Chef"

Damon Wayans Jr.

Actor, Known for his Roles in "Happy Endings" and "New Girl"

Dan Miller

President of 48 Days, LLC

Daniel Altman

Sports Analytics & Strategy Expert

Danielle Bradbery

Country Singer; Season 4 Winner of NBC's "The Voice"

Danny Cahill

The BIGGEST "The Biggest Loser." Lost 236 pounds in less than 7 months!

Darryl Van Leer

Television Actor & Stage Performer

Dave "The Shef" Sheffield

Motivational and Sales Speaker

Dave Bing

Former Mayor of Detroit, Retired Hall of Fame Basketball Player

Dave Canterbury

Wilderness Survival Teacher, NYT Best-Selling Author of "Bushcraft 101" & Global Ambassador for Morakniv

Dave Dugan

Award-Winning Voice Actor, Comedian & Humorist

Dave Finnigan

Professional Juggler, Creator of "Juggling for Success" & Founder of Green Actioneers

Dave Sherman

Founder & President of Dave Sherman Speaks; Known as the Best "Professional Icebreaker"

Dave Silk

Retired Professional American Ice Hockey Player

David A. Owens

Vanderbilt Management Professor, Director of the Executive Development Institute & Author of "Creative People Must Be Stopped!"

David Akers

Former San Francisco 49ers placekicker; holds NFL single-season record for most points scored by a kicker

David Cook

Peak Performance Coach & Author

David Cutler

Harvard Professor of Applied Economics & Author

David Leonhardt

Senior Writer for The New York Times

Ours Was the Shining Future: The Story of the American Dream

David M. Rubenstein

Co-Founder & Co-CEO of The Carlyle Group