Associate Professor Mark Dennis is a Visiting Medical Officer and cardiac MRI/CT expert at Royal Prince Alfred Hospital (RPAH) . Mark completed his graduate medical degree (MBBS) with Honours at the University of Sydney where he was a University Medallist. He then completed his cardiology training at RPAH and subsequently went on to complete his PhD in congenital heart disease for which he was awarded a Research Training Program Scholarship and CSANZ Paediatric & Congenital Council Travelling Scholarship. 
 
Mark has active clinical and research interests in cardiovascular imaging and acute cardiovascular care with mechanical circulatory support. He has completed advanced training in Cardiac Magnetic Resonance (CMR) obtaining Society of CMR Level III Accreditation and Fellowship with the Society of Cardiac Magnetic Resonance (FSCMR). He has also completed the European Advanced Cardiovascular Imaging (EACVI) CMR Congenital Heart Disease Examination and additional training in Structural Heart CT for Valvular Heart Interventions both within Australia and internationally. He holds further advanced qualifications in Echocardiography (Diploma of Diagnostic Ultrasound) and has completed the American Society of Echocardiography structural heart program. He is a member of, and provides imaging support for, the RPAH Structural Heart Team.
 
Mark is currently leading a team looking at the use of mechanical circulatory support during cardiac arrest and cardiac failure. This focusses on patient selection, prognostication and appropriate system design to support patients with cardiovascular failure.  In addition to his clinical and research program Mark continues to contribute to undergraduate and postgraduate medical teaching and designed the Masters of Internal Medicine – Cardiology Unit of Study, USyd as well as authoring two clinical medical textbooks.