Aaron McCargo Jr.

Chef & Star of "Big Daddy's House" on the Food Network

Adam Braun

New York Times & Wall Street Journal Bestselling Author, The Promise of a Pencil Founder, CEO of Climate ClubFounder & Chair of Pencils of Promise

Adam Richman

Host of Man v. Food & Man v. Nation

Al Duncan

Motivational Speaker for At-Risk Youth; Authority on Development & Empowerment

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Ali Carr-Chellman

Former Teacher; Now An Instructional Designer and Author on Effective Instruction on Learning

Alice Dreger

Writer, Historian & Journalist Whose Work Centers on the Epistemology of Democracy

Allyson Stewart-Allen

World Authority on International Marketing, US Business and Inter-cultural Workforce

Amanda Lindhout

Executive Director of The Global Enrichment Foundation; Captivity Survivor, Inspirational Speaker & Author of "A House in the Sky"

Amanda Seales

Poet, Spoken Word Artist & Media Personality Known for HBO's "Insecure;" Anti-Smoking Activist

Ambassador Dennis Ross

Author, Counselor & William Davidson Distinguished Fellow at The Washington Institute; Former Special Assistant to President Obama

Amy Myers Jaffe

Leading Expert on Global Energy Policy & Sustainability

Anant Agarwal

CEO of edX & Professor at MIT

Andrea Mitchell

Host of MSNBC’s "Andrea Mitchell Reports" & Chief Foreign Affairs Correspondent for NBC News

Andrea Mitchell - Celebrating 15 years of "Andrea Mitchell Reports"

Andrew Croshaw

President, Leavitt Partners Consulting; Among the Most Authoritative Commentators in the Country on the State of the Accountable Care World

Andrew Natsios

Expert on Strategies for Business, Economic, and Political Success in the Developing World

Andrew Ng

Globally Recognized Leader in AI; Co-Founder & Chairman of Coursera

Andrew Revkin

Senior Fellow for Environmental Understanding at Pace University

Angie Miller

Musician and Top Three Contestant on Season 12 of "American Idol"

Ann Mullen

Sociology Professor at the University of Toronto; Social & Gender Inequality Researcher; Author of "Degrees of Inequality"

Ann Wright

Activist; Former United States Army Colonel; Retired U.S. State Department Official

Anne Wojcicki

Co-Founder & CEO of 23andMe

Anousheh Ansari

CEO of X Prize Foundation & First Female Private Space Explorer

Ari Weinzweig

Co-Founder of Zingerman’s Community of Businesses

Arnold Schwarzenegger

Actor, Producer, Director, Writer; California’s 38th Governor; Host of "Celebrity Apprentice"

Ashleigh Banfield

Emmy-Award Winning Journalist & War Correspondent; Host of Popular TV Program "Disorder in the Court"

Ashley Rhodes-Courter

International Child Welfare Advocate, Master of Social Work, Foster Parent & Author of the Best-Selling Memoir "Three Little Words"

Asra Nomani

Journalist & Author, Women's Rights Activist

Aziz Ansari

Actor, Stand-up Comedian, and Star of "Master of None"

Belleruth Naparstek

Social Worker & Renowned Pioneer in the Field of Guided Imagery