A.C. Grayling

Best-Selling Author & Leading Commentator on Education, Philosophy, Corporate Ethics and Biomedicine

AJ Calloway

Correspondent for Extra Newsmagazine

Adewale Troutman, MD, MPH, MA, CPH

President, American Public Health Association (APHA); Director, Public Health Leadership & Practice at University of South Florida

Admiral Michael Mullen

Chairman, Joint Chiefs of Staff (2007-2011)

Agapi Stassinopoulos

Inspirational Teacher & Best-Selling Author; Known for "Wake Up to the Joy of You: 52 Meditations and Practices for a Calmer, Happier Life"

Ai-jen Poo

Co-founder of National Domestic Workers Alliance; Director of Caring Across Generations, Co-founder of Supermajority

Ailsa Chang

Host, All Things Considered, Former Co-host of "Planet Money" Podcast

Ajay Banga

Vice Chairman at General Atlantic

Al Hunt

Bloomberg View Columnist; Host of "Political Capital with Al Hunt"

Al Sapienza

Al Sapienza is an American actor, who has had numerous roles in television, stage and film productions

Alan Blaustein

Founder of CarePlanners

Alanna Shaikh

Global Health & International Development Writer, TED Fellow, Alzheimer's Disease Advocate

Alastair Campbell

Consultant; Strategist; Communicator; Campaigner; Best-Selling Author; Former Director of Strategy & Communications to Tony Blair

Albert L. Winseman, D. Min.

Principal

Albert Santalo

Chairman & CEO – CareCloud

Alberto Gonzales

Former Attorney General of the United States

Alessandra Orofino

Political Mobilization Activist; Director, Writer & Producer

Milliennials Aren't Voting. Here's How We Can Change That

Alex Daoud

Author, Former Mayor of Miami Beach

Alex Salmond

MP for Gordon, MSP for Aberdeenshire East, and Former First Minister of Scotland Between 2007-2014

Alexa Marks, RN, BSN

Registered Nurse, Mom of Three & Breast Cancer Survivor

Alexander Payne

Film Director and Screenwriter; "The Descendants" and "Sideways"

Alexandra Patsavas

Alexandra Patsavas is an American music supervisor who has worked on over sixty films and television series, most notably The Twilight Saga, The O.C., Grey's Anatomy and Gossip Girl

Alfred Poor

America's Success Mentor for Young Employees

Ali Soufan

Former FBI Supervisory Special Agent, CEO Soufan Group, Author of "The Black Banners"

Alison Gopnik

Professor & World Leader in Children's Learning and Development

Alison Killing

Architect and Urban Designer

Alison Kosik

CNN Business Correspondent

Alison Sander

Director, Boston Consulting Group's Center for Sensing & Mining the Future

Allan Zee

Health Care Reform Expert

Allyn Rose

Former Miss District of Columbia