Clinical Leadership

Meet Our Clinical Leadership Team

Richard Cohen, MD, FRCS
Chair of Digestive Disease & Surgery, Medical Director


Professor Richard Cohen is Chair of Digestive Disease & Surgery, and Medical Director at Cleveland Clinic London. He is also a Consultant Colorectal Surgeon at University College London Hospitals (UCLH), a Professor of Surgery in the Division of Surgery and Interventional Science at University College London and Clinical Professor of Surgery Cleveland Clinic Lerner School of Medicine. Professor Cohen has held several Divisional and Trust Clinical Director leadership positions at UCLH. Professor Cohen has held clinical appointments as a Consultant Colorectal Surgeon for almost 23 years, and has maintained ongoing academic research interests in his field.

Nick Fletcher, MBBS, FRCA, FFICM
Chair of Critical Care & Anaesthesia

nick fletcher

Professor Nick Fletcher chairs the Critical Care & Anaesthesia Institute at Cleveland Clinic London, which also includes Pain Medicine. Professor Fletcher was a Consultant in anaesthesia and critical care at London’s St Georges University Hospital NHS Foundation Trust for 19 years, and was lead for the Trust’s cardiothoracic critical care unit for 5 years. In addition to his clinical commitments he was President of the Association for Cardiothoracic Anaesthesia and Critical Care, and was an editor of British Journal of Anaesthesia Education. Professor Fletcher has over 80 peer reviewed publications and has been invited to lecture at many international conferences on aspects of anaesthesia and critical care. He is recognised for his national and international leadership in clinical quality, echocardiography, research and education.

Jamanda Haddock, MA, MRCP, FRCR
Chair of Hospital Services, Associate Chief of Staff

jamanda haddock

Dr Jamanda Haddock is Chair of Hospital Services and Associate Chief of Staff at Cleveland Clinic London. She trained at Oxford University and St. Thomas’ Hospital London. She has been a Consultant Radiologist at the Royal Free London NHS Foundation Trust since 1994, and is a Fellow of the Royal College of Radiologists. From 2012 to 2018, Dr Haddock was Lead Clinician for Imaging Services at the Wellington Hospital and Consultant on the Medical Advisory Committee. From 2004 to 2011 she was Clinical Director for Radiology and Nuclear Medicine at the Royal Free, where she also served as a member of the Clinical Advisory Board.

Mark Hamilton, MB (Hons), MD, FRCP
Chair of Medical Subspecialties

mark hamilton

Professor Mark Hamilton was a Consultant at the Royal Free London NHS Foundation Trust from 1996-2021. He is now a Consultant Physician and Gastroenterologist at Cleveland Clinic London, where he is also the Institute Chair for Medical Subspecialties. His main clinical interest is the management of complex Inflammatory Bowel Disease and capsule endoscopy of the small intestine. 
He has had 25 years’ experience as a consultant in Gastroenterology and General Internal medicine, is a Fellow of the Royal College of Physicians. He has maintained an interest in clinical and translational research. 

Andrew McEvoy, MBBS, BSc (Hons), MD, FRCS, FRCS (SN)
Chair of Neurosciences

andrew mcevoy

Professor Andrew McEvoy is a world-leading Consultant Neurosurgeon at The National Hospital for Neurology and Neurosurgery, and Reader in Neurosurgery at University College London. He has the largest adult epilepsy surgical practice in the UK and leads the surgical arm of the Department of Clinical and Experimental Epilepsy - the preeminent epilepsy research group in Europe. Listed in The Times top UK doctors for his epilepsy and brain tumour surgery, Professor McEvoy’s specialist neurooncology service has a particular interest in the prediction and preservation of function during large resective neurosurgical procedures, and the reorganisation of brain function around brain tumours. He has particular expertise in interventional MRI and awake brain surgery. Professor McEvoy has published and presented widely both nationally and internationally, and holds a number of research grants funding projects at The Institute of Neurology in London.

Howard Ware, MBBS, FRCS, FRCS (Orth)
Chair of Orthopaedics, Plastic Surgery & Rheumatology

howard ware

Professor Howard Ware was a Consultant Orthopaedic Surgeon at the Royal Free London NHS Foundation Trust and previously Director of the Wellington Hospital’s Knee Surgery Unit. He has more than 30 years’ experience in orthopaedic surgery and is a Fellow of the Royal College of Surgeons. Professor Ware is also a member of several professional societies, including the British Association Knee Surgery, and is a reviewer for the Journal of Bone and Joint Surgery, British Volume.

Olaf Wendler, MD, PhD, FRCS
Chair of Heart, Vascular & Thoracic

olaf wendler

Professor Olaf Wendler has been a Consultant in cardiothoracic surgery for more than 20 years. He is a Fellow of the Royal College of Surgeons and Professor of Cardiac Surgery at King’s College London and the Cleveland Clinic Lerner College of Medicine. He joined King’s College Hospital in 2004 and served as Clinical Director for Cardiovascular Services from 2006 to 2012. Professor Wendler has an international reputation for innovative minimally-invasive and complex heart surgery, heart valve surgery, aortic surgery and coronary bypass grafting. He has been co-author of European Guidelines for revascularisation and the treatment of valvular heart disease.

Ruth Whitby, BSc, MBBS, DRCOG
Chair of General Practice and Director of Concierge Medicine

ruth whitby

Professor Ruth Whitby is the Institute Chair for General Practice and Director of Concierge Medicine at Cleveland Clinic London. She has more than 30 years’ experience in General Practice, with  expertise across both the private and public sectors. She has a special interest in general medicine, stress management and mental wellbeing, health screening, paediatrics and menopause. Professor Whitby was the first native English-speaking doctor to be awarded a Japanese Medical License whilst working as a GP in Tokyo from 1994 to 1997. She holds a medical degree from King's College London, and achieved a Diploma from the Royal College of Obstetrics and Gynaecology, and a first-class honours degree in neuroanatomy.

Department Chairs

Philip Ahrens, MBBS, FRCS (Tr & Orth)
Deputy Chair of Orthopaedics, Plastic Surgery & Rheumatology

Philip Ahrens

Mr Philip Ahrens was appointed Consultant to Royal Free London NHS Foundation Trust in 2003 and practices specialist shoulder and elbow surgery. Mr Ahrens was awarded the British Elbow and Shoulder Society’s European Travelling Fellowship in 2004. He is a member of the British Orthopaedic Association, The British Elbow and Shoulder Society, and is a founding member of the Watanabe Club, a society dedicated to the advancement and teaching of arthroscopic shoulder surgery. He is an Honorary Consultant to St. Luke’s Healthcare for the Clergy, and was Consultant Shoulder and Elbow Surgeon to the London 2012 Olympics.

Georg Auzinger, Dr Med Univ, FRCP, AFICM, EDIC
Department Chair of Critical Care & Anaesthesia

Georg Auzinger

Dr Georg Auzinger is a Consultant and Reader in Intensive Care Medicine at King’s College London and the former Clinical Director for Critical Care at King’s College Hospital NHS Foundation Trust. He has more than 20 years’ experience working as a consultant in the NHS. For 8 years he served as the Lead Clinician for the Liver ICU prior to being appointed Director for Critical Care at King’s College Hospital, a position he held from 2015 until 2019. Dr Auzinger has a special interest in extracorporeal cardio-respiratory assist and liver failure. He established and co-directs King’s College Hospital’s ECMO service. In 2021 he was appointed Prof of Medicine with Lerner College of Medicine of Case Western Reserve University.

Paul Jarman, MA, MB, BS, Phd, FRCP
Department Chair of Neurology

Paul Jarman

Dr Paul Jarman is Chair of the Department of Neurology at Cleveland Clinic London. He is also a Consultant Neurologist at the National Hospital for Neurology and Neurosurgery in Queen Square and University College Hospitals London NHS Foundation Trust. His research background includes a PhD at UCL Queen Square Institute of Neurology, on the subject of molecular genetics of neurological disorders. Dr Jarman has clinical interests in movement disorders including Parkinson’s disease, migraine and severe headache disorders, acute neurology and neurorehabilitation. He is committed to medical education and training the next generation of neurologists, and is Training Programme Director for the London postgraduate neurology training programme.

Nick Losseff, MB, BS, MD, FRCP
Medical Director of Global Patient Services and Strategic Alliances

Nick Losseff

Dr Nick Losseff is a Consultant Neurologist at The National Hospital for Neurology and Neurosurgery in Queen Square and University College London Hospitals NHS Foundation Trust. He has a major interest in healthcare strategy and has held several senior leadership positions in the NHS, including Medical Director of North Central London NHS and London Clinical Director for Neuroscience and Stroke. Dr Losseff is best known for his work to improve stroke services, having led the highly successful London Stroke Strategy. He was previously awarded the European Neurology Society Prize and the Queen Square Prize in Neurology for his research.

Charles Murray, MA, MBBS, PhD, FRCP
Department Chair of Gastroenterology

Charles Murray

Dr Charles Murray is a Consultant Physician and Gastroenterologist at the Royal Free London NHS Foundation Trust where he is also Clinical Lead for Gastroenterology and Endoscopy. He served as Senior Secretary of the British Society of Gastroenterology from 2009-2013. Dr Murray is currently Chair of the Education Committee of United European Gastroenterology, and Past President of the Gastroenterology and Hepatology Section of the Royal Society of Medicine. Dr Murray was awarded the Moti L. and Kamla Rustgi International Fellowship by the American Gastroenterological Association in 2005, and in 2007 was the Functional Brain-Gut Research Group Young Investigator of the Year.

Joseph Nunoo-Mensah, B MedSci, BM BS, FRCS (Gen Surg), FASCRS, LLM
Chair of the Conflict of Interest Committee

Joseph Nunoo-Mensah

Mr Joseph Nunoo-Mensah is the Clinical Lead of Colorectal Surgery at King’s College Hospital NHS Foundation Trust and an Honorary Senior Lecturer in Research and Post Graduate Teaching at King’s College London. Mr Nunoo-Mensah is the Programme Director of the Dilemmas & Debates in Colorectal Surgery Conference, and will be the President of The International Society of University Colon & Rectal Surgeons from October 2022. Mr Nunoo-Mensah completed sub-specialised training for colorectal, laparoscopic and pelvic floor surgery at the University of Southern California and the Mayo Clinic, Phoenix, Arizona. In addition, Mr Nunoo-Mensah obtained a master’s degree in Legal Aspects of Medical Practice (LLM) from the University of Cardiff.

Bernard Prendergast, DM, FRCP, FESC
Department Chair of Cardiology

Bernard Prendergast

Professor Bernard Prendergast is the Chair of Cardiology at Cleveland Clinic London and a Consultant Cardiologist at Guys and St Thomas’ NHS Foundation Trust. He has been Honorary Secretary of the British Cardiovascular and Cardiovascular Intervention Societies and maintains research interests that focus on the field of heart valve disease and have resulted in publication of over 300 articles. He is a frequent lecturer on the international stage and the principal Course Director of PCR London Valves, the world’s largest specialist meeting in valve intervention.

Alexandra Wu, MB, BS, FRCP
Department Chair of Medicine and Acute Admissions Unit

Alexandra Wu

Dr Alex Wu has been a Consultant Physician in Health Services for Elderly People at the Royal Free London NHS Foundation Trust since 1993, and in 2009 she was appointed Clinical Champion for Integrated Care. Dr Wu served as Clinical Director of Acute Medicine, Health Services for Elderly People and Respiratory Medicine from 2008-2014, setting up the Medical Assessment Unit. She is the founder and champion of Post-Acute Care Enablement and Admission Avoidance programmes, and developed a 23 hour Emergency Assessment Unit and an Elective Ambulatory Care Unit. Dr Wu was appointed Clinical Director of Service Transformation in 2014 and successfully delivered an integrated primary and secondary care service in North Central London for the Royal Free Group.

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