Mark Bittman

Former NYT Writer; Author of "How to Cook Everything" Series; Host of "Food with Mark Bittman"

Bob Harper

Personal Trainer & Former Host of "The Biggest Loser;" Heart Attack Survivor

Maintaining A Healthy Body & Mind | Bob Harper Q&A

Frans Johansson

Innovation Expert & Author of "The Medici Effect"

Majora Carter

Real Estate Developer, Peabody Award-Winning Broadcaster & Urban Revitalization Strategy Consultant

Linda Ellerbee

Award-Winning Journalist & Television Producer; Breast Cancer Survivor

Greg Gumbel

Emmy Award-Winning Sportscaster for CBS Sports

Boomer Esiason

NFL Football Legend & Studio Analyst

Cory Booker

U.S. Senator from New Jersey; Author of "United" & Former Democratic Presidential Candidate

Ariane de Bonvoisin

Author, Entrepreneur & Change Expert

Judy Collins

Legendary Folk Singer & Activist

Catherine Crier

Acclaimed Author, Former Judge, Award-Winning Journalist & Television Broadcaster

A.J. Jacobs

Best-Selling Author & "Human Guinea Pig"

The Year of Living Constitutionally: One Man's Humble Quest to Follow the Constitution'...

Gerald Celente

Authority On Trend Forecasting, Economic Futurist & Founder of The Trends Research Institute

Jim Cramer

Television Personality, Journalist, Financial Analyst, Former Hedge Fund Manager & Best-Selling Author

John Crowley

Executive Chairman & Founding CEO of Amicus Therapeutics

Bob Hirschfeld

Business Satirist

Ron Jaworski

Former Football Quarterback & Current NFL Analyst on ESPN

Kay Redfield Jamison

International Authority & Researcher On Mental Illness

Jehmu Greene

Political Commentator, Social Justice Advocate, Media Strategist & Youth Culture Expert

Jane Bryant Quinn

Syndicated Personal Finance Columnist & Author