Sandra Aamodt

Neuroscientist

Cody Adams

Managing Editor of The Floating University.

Lynsey Addario

American Photojournalist; Contributor for National Geographic & Time Magazine

Marina Adshade

Author of "Dollars and Sex: How Economics Influences Sex and Love"

Sherman Alexie

Poet, Short Story Writer, Novelist, and Performer

Alfie Kohn

Author & Speaker on Human Behavior, Education, & Parenting; Outspoken Critic of Education's Fixation on Grades

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Stuart Altman

Economist and Health Policy Expert

An Phung

Multimedia Journalist

Andrew Cohen

Founder, EnlightenNext

Joy-Ann Reid

MSNBC Correspondent, Political Author & Former Host of "The Reid Report"

Dr. Anthony Fauci

Director, National Institute of Allergy and Infectious Diseases, National Institutes of Health; Chief, Laboratory of Immunoregulation

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Bernard Kouchner

Former French Minister of Foreign & European Affairs

Brett Graham

Managing director and partner, Leavitt Partners; Expert on Health Insurance Exchanges

Brian Hoffstein

Contributing Writer

Nicholas Burns

Professor of the Practice of Diplomacy & International Politics, Harvard Kennedy School

Jonathan Bush

Co-Founder, President, Chairman & CEO of athenahealth

Ira Byock

Dartmouth-Hitchcock Medical Center

David Byrne

Musician, Artist & Author; Co-founder of the Band "Talking Heads"; Founder of Positive News Magazine "Reasons to be Cheerful"

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Matthew C. Nisbet

Professor of Communication, American University

Calvin Trillin

Author, Columnist, Humorist & Political Satirist