Rachel Frederickson

Winner of "The Biggest Loser" Season 15

Kevin Breel

Stand Up Comic & Mental Health Activist

Ari Teman

Award-Winning Comedian & Author

Michelle Gielan

Former National CBS News Anchor Turned Positive Psychology Researcher; Bestselling Author of "Broadcasting Happiness"

Dr. John Nelson

Former President, American Medical Association

David Acheson

Food and Import Safety Specialist; Former Chief Medical Officer of FDA

Aaron Lazar

Keynote Speaker: Award-Winning Actor, Singer, & Broadway Star Living with ALS. Motivational Speaker on Hope, Resilience and Purpose

Aaron Lazar's Keynote at Duke University

Marty Makary, M.D.

Healthcare Futurist, Johns Hopkins Surgeon & Professor of Public Health

Charles Mattocks

Award-Winning Actor, Director, Producer, Television Host & Health Advocate

Jonathan Bush

Technology Entrepreneur; Co-Founder & Former CEO of athenahealth

Keller Rinaudo

Co-founder and CEO of Zipline

Talks at GS with Keller Rinaudo Cliffton, CEO and Co-founder of ...

David Houle

Global Futurist & Strategist, Honorary President and Futurist of the Future Business School of China. Houle won two Emmys, a Peabody award and the Heartland award for "Hank Aaron: Chasing the Dream"

Moving to a Finite Earth Economy | David Houle | TEDxUofIChicago

Ariel Garten

Founder & Chief Evangelism Officer at MUSE by Interaxon, The Brain-Sensing Headband

Rudolph E. Tanzi

Alzheimer's Disease Researcher; Expert on the Genetics of Neurological Disease; Professor of Neurology at Harvard Medical School

Dave deBronkart

Kidney Cancer Survivor & Patient Advocate Known as "e-Patient Dave"

Janet Lapp

Author of "Plant Your Feet Firmly in Mid-Air" & Organizational Transformation Specialist; Pilot, Former Professor & Clinician

Matt Weinstein

Innovative Teambuilding Expert

Marc Agronin, MD

Geriatric Psychiatrist

Farzad Mostashari, M.D.

Founder & CEO of Aledade, Inc. & Former National Coordinator for Health Information Technology

Government to Entrepreneur Mindset

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Gary Slutkin

Epidemiologist & Founder/Executive Director of Cure Violence

Tim O'Reilly

Founder & CEO of O'Reilly Media

David Nico

Author, Health Strategist & Leadership Well-Being Expert

Nico sample clip

Dennis Kucinich

Fox News Contributor, Former Ohio US Representative and Two-Time Presidential Candidate

Neil Giuliano

Gay Rights Activist & President and CEO of Greater Pheonix Leadership

Ira Byock

Dartmouth-Hitchcock Medical Center

Matthew C. Nisbet

Professor of Communication, American University

Sandra Aamodt

Neuroscientist

Lionel Shriver

Lionel Shriver is a an award-winning novelist who is widely published as a journalist and writing features.

Glenn Roberts

Wheat and Rice Farmer; Owner of Anson Mills