Evans, Tyler B.: - Tyler B. Evans, MD, MS, MPH, is an infectious disease and public health physician. He was the first chief medical officer (CMO) for New York City. He is currently the CEO, CMO, and cofounder of the Wellness Equity Alliance, a national group of clinicians and public health professionals committed to transforming health care delivery to historically marginalized communities. He is an adjunct research associate professor at the University of Southern California Keck School of Medicine in the Department of Population and Public Health Sciences and an adjunct clinical associate professor in the Department of Medicine at the University of California, San Francisco.