MD, MPA, MA. co-leads CUNY Health Communication for Social Change Masters Program. Has made major contributions to improve public health. Pioneer in health literacy and mobile health communication. Editor-in-Chief, Journal of Health Communication: International Perspectives. Former Senior Fellow at Harvard Kennedy School. He is currently on the Board of Global Health for the National Academies of Science, Engineering and Medicine. He has served as Co-Chair of the UN Secretary General’s Every Woman Every Child Innovation Working Group, and on the Centers for Disease Control and Prevention, Board of Scientific Counselors, Office of Infectious Disease. Member RAND Health Advisory Board; ABInBev Foundation Board. Adjunct Professor, Columbia Univ. Mailman School of Public Health. Appointments at Tufts Univ. School of Medicine and George Washington Univ. School of Public Health and Health Services. Honorary Professor, Univ. of St Andrews Medical School.