Abigail Garner

Founder of FamiliesLikeMine.com

Abiola Abrams

Author, Self Esteem Coach & Advice Columnist

Adam Levin

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

Adele Good

Author of The Skinny DIary who naturally lost 135 pounds and inspires results!

Adewale Troutman, MD, MPH, MA, CPH

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

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

Al Lucia

Speaker, Consultant, Coach, and Author

Alanna Shaikh

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

Alek Wek

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

Alex Epstein

Founder, Center for Industrial Progress Author, Fossil Fuels Improve the Planet

Alex Wong

FOX's "So You Think You Can Dance" All-Star, Miami City Ballet Principal Soloist

Alexa Marks, RN, BSN

Registered Nurse, Mom of Three & Breast Cancer Survivor

Alexander Webb

Author focusing on risk, uncertainty, decisions and cognitive biases.

Alezandra Russell

Mother Teresa Award Winner, Anti-Trafficking Expert & Human Rights Activist

Alfred Poor

Health Tech Futurist & Writer

Alfred Poor, The Health Tech Futurist

Alfredo Jaar

Chilean-born architect, artists and film maker who lives in New York.

Ali Landry

Former Miss USA, Actress and Owner of Belle Parish Lifestyle Brand

Alison Sander

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

Allan McLennan

Co-founder/market leader/advocator in software defined/smart TV, on-demand OTT subscription service originator, and founder data analytics platforms

Allen Sinai, PhD

Chief Global Economist, Strategist, and President of Decision Economics, Inc.

Allison Hauser

Executive Director of Girls On The Run NYC

Alvin Poussaint

Psychiatrist, Media Consultant & Author

Alyson Theriot

Amanda Arlauskas

Amanda Arlauskas was the third finalist for season eight of The Biggest Loser.

Ambassador Munir Akram

Former Permanent Representative to the UN from Pakistan

Ameenah Gurib-Fakim

Professor, Managing Director at Cephyr, Chemist, Gardener, Photographer & Writer of Books on the Flora of the Tropics, Medicinal Plants

Amy Herdy

Documentary Producer, Investigative Journalist, Advocate for Ending Sexual Violence; Known for "The Hunting Ground"

Amy Lockwood

Deputy Director of Stanford's Center for Innovation in Global Health

Anastasia Goodstein

Award-Winning Blogger & Tween Marketing Expert