Dr. Dilsizian has been a professor of radiology and medicine at the University of Maryland School of Medicine since 2001, and chief of the division of nuclear medicine since 2007. He served as the President of the Society of Nuclear Medicine and Molecular Imaging (2019-2020) and Vice President of the American Society of Nuclear Cardiology (1999-2000). He was awarded the 2014 Hermann Blumgart Award and the 2023 Taplin Memorial Lecture Award for his innumerable contributions to the science of nuclear cardiology. He served as the Vice-Chair of the Nuclear Regulatory Commission (NRC) Advisory Committee on the Medical Uses of Isotopes (ACMUI; 2021-2022), and is currently Vic-Chair of the Board of Scientific Counselors of the National Institutes of Health, Clinical Center (2022-2024). His has published over 280 original, peer-reviewed manuscripts and invited editorials/articles, 11 books, and 51 book chapters.