A Great Big World

Two-Member Musical Group Known for the Hit "Say Something"

A.C. Grayling

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

Aad Boot

Managing Partner at HRS Business Transformation Services

Aaron David Miller

Senior Fellow, Carnegie Endowment for International Peace

Aaron Huey

National Geographic Photographer & Stanford School Global Ambassador

Abha Dawesar

Award-Winning Novelist, Artist, TED Speaker & Head of Institutional Marketing Strategy and Planning at Vanguard

Abigail Garner

Founder of FamiliesLikeMine.com

Abigail Tarttelin

Author of "Golden Boy" and "Flick"

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 Levin

Nationally Recognized Cybersecurity, Privacy & Identity Theft Expert; Founder of CyberScout & Credit.com; Author of "Swiped"

Adam Spencer

Sydney Drive-Time Radio Talk Show Host on Tech and Science

Adewale Troutman, MD, MPH, MA, CPH

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

Ai-jen Poo

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

Aida Rodriguez

The Latin Queen of Laughter; Known for her Appearance on "Last Comic Standing"

Ainsley Earhardt

FOX & Friends First Co-Host

Ajay Gupta

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

Alan Beaulieu

International Economic Analyst & President of the Institute for Trend Research

Alan Gregerman

Humorous Authority on Strategy, Innovation and Success

Alan Momeyer

VP, Human Resources for Loews Corporation

Alan Siegel

Founder and Chairman Emeritus, Siegel+Gale and Champion for Simplicity

Alan Weisman

Journalist / Author

Alastair Humphreys

Adventurer, Microadventurer, Blogger, Motivational Speaker; 2012 National Geographic Adventurer of the Year

Alberto Gonzales

Former Attorney General of the United States

Alejandra Schrader

Award-Winning Author, Plant-Based Nutrition Certified Chef, Food TV Personality & Activist

Alek Wek

Alek Wek, African Model who graced the cover of Elle MAgazine in November 1997

Aleksandar Hemon

Author of "The Lazarus Project"

Alex Hitz

American Celebrity Chef, Cookbook Author, Socialite and Philanthropist, and Founder of Beverly Hills Kitchen

Alex Hunter

Former Head of Virgin Online, Angel Investor, Branding & Marketing Expert

Alex Kershaw

Honorary Colonel in the 116th Infantry Regiment of the 29th Division, Bestselling Author of "The Bedford Boys" & "The Longest Winter"

Patton's Prayer: A True Story of Courage, Faith, and Victory in World War II