President and Founder of the nonprofit Global Positive Health Institute, Inc.

Assistant Professor, Center for Positive Health Sciences, Royal College of Surgeons, Ireland

Board Certified in Preventive Medicine and Public Health, in Internal Medicine and in Lifestyle Medicine

Medical Consultant, Diabetes Prevention Program, American College of Preventive Medicine, under funding by the Centers for Disease Control and Prevention

Lead faculty, Physician and Health Professional Wellbeing Program, American College of Lifestyle Medicine

Member of Leadership Group, and Past President, Positive Health and Wellness Division, International Positive Psychology Association

Chair, Happiness Science and Positive Health Committee, American College of Lifestyle Medicine

Former President and Executive Board member, American College of Lifestyle Medicine

Former founding Vice-Chair and Board of Directors member, American Board of Lifestyle Medicine

Editorial Board member, American Journal of Lifestyle Medicine

Author or co-author of six books, four textbook chapters and thirteen articles in peer-reviewed journals

Fellowship Certificate in Consultation-Liaison Psychiatry

Founder and Principal, HealthType LLC

Lead faculty, Lifestyle Medicine Core Competencies course offered by American College of Preventive Medicine and American College of Lifestyle Medicine

Faculty, Behavioral and Mental Health, American College of Preventive Medicine Board Review Course

Honored as a Fellow, by American College of Lifestyle Medicine and American College of Preventive Medicine

Honored with the Trailblazer Award, American College of Lifestyle Medicine, and the Distinguished Service Award, American College of Preventive Medicine

Honored by the California Department of Health Services with the Public Health Recognition Award and the Excellence in Teaching Award

Former Director of Healthy Lifestyles Division and of Medicine and Public Health Division, American Medical Association