Dr. Zwelling is a Special Assistant to the Senior Vice President of Business Affairs and a Professor of Medicine and Pharmacology at the University of Texas M. D. Anderson Cancer Center in Houston, Texas. He was previously the Vice President for Research Administration at M. D. Anderson and is currently an active member in PNHP, The Metropolitan Organization, The Harris County Health Alliance, Doctors for Change and a member of the American Leadership Forum’s Med Class 2. He is a board certified internist and medical oncologist and a lab-based investigator. His primary interests in health policy are advancing the single payer system and improving access to life-saving clinical cancer trials.