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Our team of dedicated professionals is the core of our success.

Clinical Team


Dr Klaus Bruecker

Dr Klaus Bruecker works currently part-time at Breakspear Medical.  He studied medicine at Freie Universität Berlin, Germany and came to the UK as a house officer. He completed his training in General Practice in 2006. Since then, he has worked in several healthcare settings, including non-medical and medical roles.  Dr Bruecker has previously worked with stem cells, which made him curious to learn more about Environmental Medicine and the complex individualised treatment programmes that are involved. He is fluent in English and German.

Dr Daud Mohamed

Dr Daud Mohamed works full-time at Breakspear Medical. He studied medicine at the Università degli Studi di Napoli Federico II, Italy. After completing his Doctor in Medicine and Surgery qualification, Dr Mohamed completed his residency in infectious diseases, which gives him GMC registration as a specialist in this field. After moving to the UK, Dr Mohamed became a Resident Medical Officer in Orthopaedics at the Orthopaedic and Spine Specialist Hospital in Peterborough. He is fluent in English, Italian and Somali.

Professor Basant Puri

Professor Basant Puri is a part-time consultant and medical researcher at Breakspear Medical, Hammersmith Hospital and Imperial College London. He has researched a variety of conditions, including depression, chronic fatigue syndrome (CFS), attention-deficit hyperactivity disorder (ADHD) and Huntington’s chorea, using state-of-the-art electrophysiological, brain scanning and biochemical techniques. Along with carrying out medical studies and consulting on a part-time basis, he is supervising research into Lyme disease.

Dr Eberhard Schwarz

Consultant Psychiatrist and Neurologist Dr Eberhard Schwarz has a keen interest in allergy and environmental medicine and works part-time at Breakspear Medical. Dr Schwarz retired from his position as Medical Director of Fachkliniken Nordfriesland, a large psychiatric hospital in Northern Germany. Over 20 years ago, Dr Schwarz introduced allergy and environmental medical treatments for his psychiatric patients, utilising low-dose immunotherapy vaccines manufactured by Breakspear Medical. He is fluent in English and German.

Dr Nikita White

Dr Nikita White works at the clinic on a part-time basis. She has clinical experience across multiple specialities, predominantly infectious diseases and internal medicine, and an additional post-graduate qualification in Emergency Medicine. Receiving her medical training in South Africa, her experience spans from across facilities with limited resources to tertiary levels of care. While practicing there, she actively participated in infection prevention and control processes and nosocomial transmission surveillance. She has recently completed her MSc in Respiratory Medicine. She is fluent in English, Dutch and Afrikaans.

Nutritional Therapists

Ron Leon

Ron Leon, MSc Nutrition,, qualified from the world-renowned Bastyr University in Seattle, USA and has an MA Integrative Counselling & Psychotherapy.  While attending Bastyr University, he taught in the Exercise Science Department and as a volunteer offered nutritional advice at a women’s shelter.  He received his BSc (Hons) Health Sciences from the University of Westminster, London, and has taken additional science courses at Oxford Brookes University. He is currently pursuing a further qualification in Sports Rehabilitation at St Mary’s University College, Twickenham, London.

Gabrielle Hyland

Gabrielle Hyland is a registered Clinical Nutritional Therapist with a BSc in Nutritional Therapy from the University of West London, BSSc Psychology and is a member of the British Association for Nutrition & Lifestyle Medicine (BANT).   She is currently pursuing advanced training in gastrointestinal and autoimmune conditions and has an on going interest in neurodevelopmental disorders, such as OCD and ADHD behaviours.

Patient Liaison

The Patient Liaison Team arranges appointments and provides you with all the information you need to start your personal treatment programme. They are here to answer any of your questions or concerns. They can help you with required forms and questionnaires, explain your treatment programme, review estimates and give you valuable information about recommended lifestyle changes. Our Patient Liaison Officers maybe be contacted by phone 01442 261 333 ext 604, or email:

Nursing Team

Anne Derham RN, Clinical Care Manager, is in charge of the entire Clinical Care Team, which consists of specially trained full- and part-time nurses, phlebotomist and healthcare assistants. They are trained to listen, observe and treat each patient according to their individual needs.  All members of the clinical team are trained as first responders in the unlikely event of a medical emergency. The clinic has all required emergency equipment and all clinical team members receive annual refresher training for essential emergency procedures including re-certification in CPR and use of the in-house automatic external defibrillator (AED).

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