Dr. Naik is certified by the American Board of Pediatrics with a cardiology subspecialty, is the director of the fetal cardiology program and is an associate professor of Pediatrics at the University of Tennessee Health Science Center. Dr. Naik completed his Pediatric Cardiology fellowship at the Penn State Hershey Children's Hospital and his Advanced Imaging in Cardiac MRI (cMRI) in the Heart Institute at Le Bonheur Children's Hospital. He specializes in non-invasive imaging including cMRI, fetal echocardiography, advanced echocardiography and stress echocardiography. Dr. Naik is a member of the Society of Cardiovascular Magnetic Resonance, Fetal Heart Society, American Society of Echocardiography and the American College of Cardiology.

Dr. Joshi is medical director of Noninvasive Cardiology in the Heart Institute at Le Bonheur Children's Hospital and St. Jude Children's Research Hospital and a professor at the University of Tennessee Health Science Center. He is certified by the American Board of Pediatrics with a cardiology subspecialty and specializes in fetal cardiac imaging, echocardiography and sports-related cardiology.

Dr. Johnson is the chief of Cardiology in the Heart Institute at Le Bonheur Children's Hospital and St. Jude Children’s Research Hospital. He is the St. Jude Endowed Chair of Pediatric Cardiology and Cardiac Research. . He is a professor with the University of Tennessee Health Science Center. Dr. Johnson is also the director of the cMRI program at St. Jude Children's Research Hospital. His research and clinical areas of focus are non-invasive imaging including advanced echocardiography, procedural echocardiographic support, and cardiac magnetic resonance imaging (cMRI). Dr. Johnson is certified by the American Board of Pediatrics with a cardiology subspecialty.