Authors of News & Leadership Viewpoints Bookmark Steven J. Stack, MD AMA Affiliated Groups Former President, American Medical Association, Authors Dr. Stack, an emergency physician residing in Lexington, Kentucky, became the 170th president of the American Medical Association in June 2015. News Authors Catalog of Topics Leadership Sep 18, 2014 · 1 MIN READ Tell us: Which EHR improvements would help you most? An AMA-convened panel of experts this week called for EHR overhaul, outlining the eight top challenges and solutions for improving EHR usability.