Senior Medical Correspondent, CNN

Health Care and General Business News Reporter, CNBC

Vice Chairman of Obstetrics and Gynecology and Division Director of Reproductive Endocrinology and Infertility, Icahn School of Medicine at Mount Sinai

Director, Violence Recovery Program, University of Chicago Medicine

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

Health and Science Reporter, The Wall Street Journal; Author, We the Scientists: How A Daring Team of Parents and Doctors Forged A New Path for Medicine​

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

Moderator, Open to Debate; Correspondent, ABC News