Author, "Gut: An Owner's Guide"; Chief Medical Officer, Endoscopy, Medtronic

Founder and Director, Friendship Bench

Co-Founder and CEO, Holoclara

Chair, Common Health Coalition

Certified Nature and Forest Therapy Guide; Author, “Wild Walking”

Director, Center for Reproductive Science Health & Education, UCLA

Medical Journalist

Director, U.S. Centers for Disease Control and Prevention

Distinguished Investigator, National Human Genome Research Institute, National Institutes of Health; Former Director, National Institutes of Health

Senior Health Care Reporter, CNBC

Chief Medical Advisor, Center for Enterprise Modernization, MITRE

Citywide Director of Rodent Mitigation, Office of the Mayor, New York City

Co-Founder, Fora Fertility; Host, “As a Woman: Fertility, Hormones and Beyond"

Author, "Grief Is for People"​

Psychologist, Author, "The Emotional Lives of Teenagers"

Playbook Co-Author and White House Correspondent, POLITICO