Leon is the Lead in Nuclear Cardiology at the Barts Heart Centre and Consultant Radiologist and Nuclear Medicine Physician at University College London Hospital. He read Medicine at Oxford and trained in Clinical Radiology at Guy’s & St. Thomas’ and in Nuclear Medicine at University College London. He was previously a European Society of Radiology Fellow in Cardiac Imaging at La Sapienza, Rome and past President of the British Nuclear Cardiology Society Leon’s clinical interests are in multi-modality and hybrid cardiac imaging, using SPECT and PET, with Cardiac CT and Cardiac MRI. His research interests involve the application of these hybrid modalities to both rare and common cardiovascular diseases, such as sarcoidosis, amyloidosis, endocarditis and atherosclerosis.