In 2015 Dr. Hauser retired from the practice of cardiology after 47 years. He is an Emeritus Professor of Medicine, at Rush University in Chicago, former CEO of Cardiac Pacemakers, Inc. (now owned by Boston Scientific), and Emeritus Senior Consulting Cardiologist, at Minneapolis Heart Institute at Abbott Northwestern Hospital. He is currently CEO of MHI Ventures LLC and a Clinical Investigator specializing in medical device reliability at the Minneapolis Heart Institute Foundation.