Dr. John Mather

Senior Astrophysicist, Observational Cosmology Laboratory, NASA's Goddard Space Flight Center - Nobel Laureate

Sviatlana Tsikhanouskaya

Belarusian Human Rights Activist & Politician

Rayma Suprani

Award-Winning Venezuelan Satirist & Cartoonist

Meryl Evans

Professional Speaker, Trainer, Author, & Accessibility Consultant

Meryl Evans Encourages Organizations to Prioritize Accessible Technology

Thomas Crowther

Professor of Ecology at ETH Zürich; Founding Chair of the Board for the UN Decade on Ecosystem Restoration

Timothy Ihrig

Palliative Care Physician & Content Expert to the Accountable Care Learning Collaborative; Healthcare Innovator & Patient-Centered Care Advocate

Abigail Marsh

Award-Winning Author & Neuroscientist; Director, Georgetown University's Laboratory on Social & Affective Neuroscience

Meg Gaines

Cancer Survivor, Health Activist & Attorney

Julie Flygare

Narcolepsy Advocate, Speaker & Award-Winning Author of "Wide Awake and Dreaming: A Memoir of Narcolepsy"

Julie Flygare Inspirational Patient Speaker & Narcolepsy ...

Jimmy Lin

Cancer Genomics Pioneer and Rare Disease Social Entrepreneur

Judith A. Salerno

Leonard D. Schaeffer Executive Officer, Institute of Medicine

Boy Girl Banjo

Acoustic group

James Green

Director of Planetary Science at NASA Headquarters

Dr. Alex MacDonald

Senior Economic Advisor at NASA

Rob Dunbar

Rob Dunbar looks deeply at ancient corals and sediments to study how the climate and the oceans have shifted over the past 50 to 12,000 years.

Juna Kollmeier

Astronomer at Carnegie Institution for Science

Christopher Bahl

Molecular Engineer; TED Fellow

Jim Hudspeth

Biophysicist & Neuroscientist

Faith Osier

Professor of Immunology; Group Leader of Malaria Vaccine Development

Poppy Jamie

Entrepreneur & Founder of Happy Not Perfect