Co-Founder, Humanity Crew; Child Psychiatrist and Psychotherapist

Professor, Department of Neurobiology, Harvard Medical School

CEO, Mount Sinai Health System

CEO, Partners In Health

Associate Director for Climate Engagement and Education, Health Care Without Harm and Practice Greenhealth

Advocate, End of Life Options, TheBrittanyFund.org

Co-Founder and CEO, GirlTrek

President and CEO, National Employment Law Project

Executive Director, Translational Research Institute for Space Health (TRISH), Baylor College of Medicine

Moderator, Open to Debate; Correspondent, ABC News

Principal, HOK

CEO, RockHealth.org

Chief Nursing Officer, Optum Health; Chief Operating Officer, Optum Home and Community Care