Aaron David Miller

Senior Fellow, Carnegie Endowment for International Peace

Aaron K. Song

Contestant on Fox's Hell's Kitchen Season 3

Aarti Shyamsunder, PhD

Research Director, India.

Abby Covert

Independent Information Architect, Writer & Community Organizer; Former Senior Staff Information Architect at Etsy

Stuck? Diagrams Help.

Abe Davis

Postdoctoral Researcher at Stanford University; Former Computer Science PhD Student at MIT

Achenyo Idachaba

Head of MitiMeth, A Nigeria-Based Environmentally Aware Production Company

Adam G. Riess

Nobel Prize-Winning Astrophysicist

Adam Galinsky

Vikram S. Pandit Professor of Business; Chair of Management Division; Co-author of "Friend and Foe"

Adam Ockelford

Professor of Music at Roehampton University; Author of "In the Key of Genius" & Secretary of the Society for Education, Music and Psychology Research

Adam Rogers

Senior Tech Correspondent for Insider & New York Times Best-Selling Author of "Proof: The Science of Booze"

Adam Sadowsky

As the president of Syyn Labs, Adam Sadowsky merges art and technology to create interactive projects big and small.

Adam Schneider

Principal at Deloitte Consulting focused on Financial Services

Adeo Ressi

Founding Member of TheFunded.com

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)

Adnan Nawaz

News Anchor for BBC World

Aimee Liu

Author of "Gaining: The Truth About Life After Eating Disorders"

Ajay Gupta

Creator and Host of Technology Today; Cyber security, IT strategy and Their Implications on Business, Global Business and Strategy

Ajit Narayanan

Ajit Narayanan is the inventor of Avaz, an affordable, tablet-based communication device for people who are speech-impaired.

Al Sapienza

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