"Science Bob" Pflugfelder

Science Communicator, Teacher, Author & Television Personality

Adam Gazzaley

Founder & Executive Director of Neuroscape; Professor in Neurology, Physiology and Psychiatry at UCSF

Adora Svitak

Author, Speaker, Youth Advocate & Child Welfare Professional

Ahmed Hassan

Celebrity Landscaper & TV Host of DIY's Yard Crashers, Blog Cabin, Turf War

Alain Enthoven

Economist

Alan Louie

Professor, Associate Chair & Director of Education in the Department of Psychiatry and Behavioral Sciences at the Stanford University School of Medicine

Alex Filippenko

Professor of Astronomy at UC Berkeley Specializing in Supernovae; Gruber Cosmology Prize & Carl Sagan Prize for Science Popularization Recipient

Alexandre Lazarow

Global Venture Capitalist, Author & Adjunct Professor

Alicia Garza

Activist; Co-founder of the Black Lives Matter Movement

Alison Gopnik

Professor & World Leader in Children's Learning and Development

Allison Massari

Celebrated Artist, Resilience Expert, Entrepreneur, Burn Survivor & Inspirational Storyteller

Promo Reel—Top Keynote Speaker Allison Massari

Amanda Lipp

Filmmaker, Consultant & Social Entrepreneur Working at the Intersection of Mental Health Care, Storytelling & Technology

Why I'm Passionate about Mental Health

Amobi Okugo

Athlete & Entrepreneur

Anastasia Goodstein

Award-Winning Blogger & Tween Marketing Expert

Andrew Hargadon

Innovation Author & Former Product Designer at IDEO and Apple

Angela Glover Blackwell

Founder & Former CEO, PolicyLink

Anita Lynch

Chief Data Officer, Corporate Board Director & Angel Investor

Annie Jean-Baptiste

Author of "Building For Everyone" and Founder of the Equity Army & Head of Product Inclusion at Google

Anthony Ervin

Olympian Swimmer, Speaker & Coach

Arik Armstead

NFL Football Player, Humanitarian & Walter Payton Award Nominee