Sunny Anderson

Co-Host, Food Network's "The Kitchen"

Ken Dychtwald

Founder & CEO of Age Wave; Gerontologist & Expert on Aging-Related Issues

Daryl Hannah

Actress, Best Known for "Kill Bill" & "Splash"; Environmental Activist

Mary Roach

TED Speaker & Author Known for "Packing For Mars"

Ice-T

Rapper, Record Producer & Actor Known for "Law & Order: SVU"

Chaz Bono

Transgender, LGBTQ Rights Advocate, Author, Speaker

Dr. Ian Smith

Doctor, New York Times Bestselling Author, Medical Contributor & Host of "The Doctors"

Deborah Norville

Two-Time Emmy Award-Winning Journalist; Anchor of "Inside Edition" & Best-Selling Author

Robert Cialdini

New York Times Best-Selling Author; The Foundational Expert in the Science of Influence & Persuasion

Nick Vujicic

Motivational Speaker, NY Times Best-Selling Author, Founder & CEO of Life Without Limbs

Gretchen Rubin

New York Times Best-Selling Author of "The Happiness Project;" Host of Podcast "Happier with Gretchen Rubin"

Gretchen Rubin - Knowing Yourself: Why You're Happy and You ...

Linda Armstrong Kelly

Single Mother of Lance Armstrong; Philanthropist & Advocate for Children

Malaak Compton

Activist & Philanthropist

Mark Spitz

Legendary Olympic Swimmer; Third Athlete to Win Nine Olympic Gold Medals

Mark Spitz on the 1972 Olympic Games in Munich

Charlie Rose

Anchor and Executive Editor

Kathy Bates

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

Katie Lee

Chef, Co-Host of Food Network's "The Kitchen" & Author of "The Comfort Table: Recipes For Everyday Occasions"

Tom Koulopoulos

Chairman & Founder, Delphi Group; Business Author, Visionary Leader & Authority on Changing Technology

Kelly Osbourne

Fashion Designer, Singer & Actress; Former Contributor to E!'s "Fashion Police"; Daughter of Ozzy and Sharon Osbourne

Marlee Matlin

Academy Award Winning Actress; Healthcare Advocate & Disability Rights Activist Fighting for Better Access for the Deaf