Trevor Noah

Emmy Award-Winning Comedian & Bestselling Author; Former Host of "The Daily Show"

Alanis Morissette

Alt-Rock Angst Icon Known for "You Oughta Know" & "Ironic"

John P. Kotter

Leadership & Change Management Guru

Bill Clinton

42nd President of the United States; Founder of the William J. Clinton Foundation

Robert M. Gates

Secretary of Defense (2006 - 2011), Former Director of the CIA

Ronan Farrow

Investigative Reporter, Activist & Lawyer

Valerie Jarrett

Civic Leader, New York Times Best-Selling Author & Former Senior Advisor to President Obama

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

Tonya Lewis Lee

Author, Producer, Filmmaker & Entrepreneur; Women's Health Activist

Tonya Lewis Lee on the Black maternal mortality crisis

Vandana Shiva

World-Renowned Environmental Leader

Deval Patrick

Two-term Governor of Massachusetts, Civil Rights Attorney & Business Leader

Jim McCann

President & CEO of 1-800-FLOWERS.COM

Nicholas Kristof & Sheryl WuDunn

Pulitzer Prize-Winning Journalists for "Half the Sky" & Human Rights Advocates