Dr. Hermiller serves as Director of the Interventional Cardiology Fellowship, and the Structural Heart Programs at St Vincent Ascension Heart Center in Indianapolis, IN. He is an assistant clinical professor at Duke University. He was recognized as a Master Interventional Cardiologist by the Society of Cardiovascular Angiography and Interventions (SCAI). Dr. Hermiller has expertise in structural heart disease and has been a leading enroller, primary investigator, and steering committee member in many transcatheter therapy studies, including many pivotal trials of coronary and structural heart disease. He has authored or co-authored over 250 published manuscripts. He is past president (2024-2025) of the Society of Cardiac Angiography and Intervention, and his major initiative during his tenure as president was to support advanced radiation protection for operators and staff in the cardiac catheterization laboratory.