Our Faculty

Crossroads Education Institute sources the best international and local key opinion leaders to share their knowledge, skills and expertise during our educational initiatives.

International Faculty

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Dr Alexander Lyon

Royal Brompton & Harefield Hospitals Specialist Care, London, United Kingdom

Dr Lyon is a consultant cardiologist at Royal Brompton & Harefield Hospitals Specialist Care in London, UK. Dr Lyon is the clinical lead for the cardio-oncology service at the Royal Brompton Hospital, the chair of UK Cardio-Oncology Consortium and member of Heart Failure Association Translational Research Committee. His clinical expertise includes heart failure, cardio-oncology, chemotherapy-induced heart failure, Takotsubo syndrome, cardiac gene therapy and novel molecular and biological therapies for heart failure. He is a co-investigator at the BHF Centre for Cardiovascular Regenerative Medicine at Imperial College London and lead for the heart failure research theme of the National Institute of Health Research (NIHR) cardiovascular biomedical research unit (cBRU) at Royal Brompton Hospital. Dr Lyon’s research interests include abnormal calcium physiology in heart failure; the influence of stress and high catecholamine levels on cardiac function; mechanisms of ventricular arrhythmias in heart failure; biological therapies for heart failure; the RDT-PEF trial assessing the role of renal sympathetic denervation in patients with heart failure and preserved ejection fraction; spatio-temporal patterns of mitochondrial dysfunction in the intact heart and chemotherapy-induced heart failure and novel therapeutic options for patients with heart failure caused by anti-cancer therapies (co-Principal Investigator); new high-resolution raspberry Pi multi-camera system for remote monitoring of leg oedema in heart failure patients with Heartfelt Technologies; and he is the UK national coordinating investigator for CUPID 2. He further coordinates both a national and European strategy to advance knowledge and improve care for individuals with Takotsubo syndrome. Dr Lyon is a well known speaker at both UK and international congresses and is a senior lecturer at Imperial College London, where he supervises PhD students.

Local Faculty

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Dr Farouk Mamdoo

Netcare Union Hospital, Johannesburg, South Africa

Dr Mamdoo is a interventional cardiologist at the Netcare Union Hospital in Johannesburg, South Africa. He specializes in minimally invasive heart valve repair and replacement and with Dr Zambakides, runs an acclaimed percutaneous heart repair unit at the Netcare Union hospital. He is a part time lecturer at the University of the Witwatersrand in Johannesburg and has been involved in various SA Heart activities over the years. He regularly presents at both local and international congresses, and published several papers in the field of cardiology.


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Dr Ria David

Inkosi Albert Luthuli Central Hospital, Durban, South Africa

Dr David is a medical oncologist at the Inkosi Albert Luthuli Central Hospital in Durban, South Africa. She specialized in the holistic, systemic management of cancer patients and has a special interest in breast-, colorectal-, and haematological malignancies. She is a committee member of the Durban Breast Cancer Forum and a Board Member of the Cardio Oncology Society of Southern Africa (COSOSA). She is further involved in creating community awareness on the prevention and early detection of cancer.

Dr Trishun Singh

Netcare Umhlanga Hospital, Umhlanga, South Africa

Dr Singh is an interventional and clinical cardiologist at the Netcare St Augustine’s, Umhlanga and Alberlito Hospitals on the South Coast of KwaZulu Natal, South Africa. He is the Director of Cardiac Mobile Pty Ltd and has been instrumental in starting the Diabetic Cardio-metabolic unit at Netcare Umhlanga Hospital in Durban, and the first Cardio-oncology Unit in South Africa and Africa. Dr Singh is the President and founder of the Cardio Oncology Society of Southern Africa (COSOSA) and appointed to the Board of the International Cardio-oncology Society (IC-OS). His interest in cardio-oncology compelled him to establish COSOSA to ensure optimal cancer treatment while managing the cardiovascular risk of chemotherapy and radiation. Dr Singh further has an interest in diabetes and cardio-metabolic diseases and works closely with endocrinologists.


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Prof Andrew Sarkin

Steve Biko Academic Hospital, Pretoria, South Africa

Prof Sarkin is the Head of the Department of Cardiology at the University of Pretoria, and the Head of Department of Cardiology at the Steve Biko Academic Hospital in Pretoria, South Africa. He previously chaired the Fulltime Practice Committee and is member of the Education Committee of SA Heart. Prof Sarkin is well known speaker at both local and international cardiology congresses.