Carl Lewis

9-Time Olympic Gold Medalist in Track & Field; Founder of The Carl Lewis Foundation

Tara Brach

Author & Mindfulness Teacher; Host of the "Tara Brach" Podcast

Trusting the Gold: Uncovering Your Natural Goodness

Marie Kondo

Japanese Organizing Consultant & Author; One of TIME Magazine's "100 Most Influential People" in 2015

Johann Hari

Journalist & Best-Selling Author of "Chasing the Scream"

Magic Pill: The Extraordinary Benefits and Disturbing Risks of the New Weight-Loss Drugs

Mark Divine

Founder of NavySeals.com

Maya Adam, MD

Director of Health Media Innovation & Clinical Assistant Professor in the Department of Pediatrics at Stanford School of Medicine

Richard Sherman

Former All-Pro NFL Cornerback; NFL Analyst & Commentator; Co-host of 'Undisputed'

Sam Kass

Former White House Chef & Senior Policy Advisor for Nutrition; Founder of TROVE

Kara Goldin

Founder & Former CEO of Hint Water

Jim Harter, Ph.D.

Chief Scientist of Workplace Management & Well-Being at Gallup

David Moinina Sengeh

Minister Of Basic and Senior Secondary Education & Chief Innovation Officer for the Government of Sierra Leone

Josh Bersin

Global Research Analyst, Principal & Founder at Bersin by Deloitte

Peter Singer

Australian Philosopher, Author & Father of the Animal Rights Movement

Pau Gasol

NBA Power Forward, Two-Time NBA Championship Winner, UNICEF Ambassador

Dr. Jennifer Ashton

Board-Certified Ob-Gyn, Author & TV Medical Correspondent

Barbara Boxer

Former Democratic Senator of California

Wim Hof

Known as "The Iceman," Extreme Athlete, Scientific Pioneer & Global Health Leader

Notah Begay

Professional Golfer, Golf Analyst

Ernie Johnson, Jr.

Sports Broadcaster, Host of TNT's "Inside the NBA", "NCAA Division | Men's Basketball Championship" on CBS & Major League Baseball on TBS

Kris Carr

Author; Cancer Survivor; Founder of crazysexylife.com