Lisa Gansky

Corporate Advisor, Marketing Expert & Author of "The Mesh: Why the Future of Business Is Sharing"

Bob Schieffer

Former Moderator of “Face The Nation” & Chief Washington Correspondent for CBS News

Mike Greenberg

Sports Broadcaster; Host of "The Mike Greenberg Show" & Former Co-Host of ESPN's "Mike & Mike"

Randy Cohen

Writer, Known for "The Ethicist"

Nia Long

NAACP Image Award-Winning Television & Film Actress, Philanthropist

Emma Watson

Actress, Model & Activist; UN Women Goodwill Ambassador; Co-Founder of the HeForShe Campaign

Bill Hader

Actor, Comedian, Writer, & Director; Known for "Saturday Night Live" & "Barry"

Seth Meyers & Bill Hader's Favorite SNL Memories & Barry Finale

Patricia Heaton

Emmy Award-Winning Actress Known for "Everybody Loves Raymond" & "The Middle"

Giada De Laurentiis

Chef, Author & Restaurateur; Emmy Award-Winning Host on The Food Network

Pink

Singer-Songwriter, Actress, Philanthropist & Environmental Activist

Hayden Panettiere

Actress Known for "Nashville" & "Heroes" & Animal Rights Activist

Martha Williamson

Martha Williamson is a 20-year veteran of the entertainment industry.

Robert Redford

Actor, Director, Producer, Environmentalist & Founder of the Sundance Film Festival

Liza Koshy

YouTube Star & TV Host; Former Vine Star

James Dashner

Author of Many Children's Fantasy Series and Adult Books, Including "The Maze Runner" Series

Kathy Kaehler

Celebrity Trainer & Lifestyle Expert

Colleen Ballinger (Miranda Sings)

Comedian, Actress, and Singer; Best Known as her Internet Character "Miranda Sings"

Pat Mitchell

Editorial Director & Host of TEDWomen; Co-Chair of the Women's Media Center; Former President of CNN Productions & PBS

Kathy Bates

Academy Award-Winning Actress; Cancer Survivor & Chairperson for the Lymphatic Education & Research Network

Kathy Griffin

Emmy Award-Winning Comedian, Actress and Television Personality