Michael DiMaria, MD, is a pediatric cardiologist based in Denver, Colorado, and serves as the Medical Director of Pediatric Cardiology at Rocky Mountain Children’s Hospital. He has extensive experience in cardiac imaging, including echocardiography and cardiac MRI, and has held prior leadership roles directing imaging programs at major tertiary children’s hospitals. Dr. DiMaria has been deeply involved in the development and growth of pediatric cardiac surgical and single-ventricle programs, with a focus on quality improvement, multidisciplinary collaboration, and systems of care for children with congenital heart disease. His professional interests include sonographer education, clinical informatics, and optimizing regional networks spanning cardiology, NICU, and maternal–fetal medicine.