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Our Team

Dr T Mahmud


Dr T Mahmud is Co-Founder and Director of London Osteoporosis Clinic 🩺.

Dr Mahmud trained at King’s College Hospital, St Thomas’ Hospital, and Guy’s Hospital, and has extensive experience as an Honorary Consultant at the Royal National Hospital for Rheumatic Diseases in Bath and as Lead for Osteoporosis and Consultant Rheumatologist at Tunbridge Wells Hospital NHS Trust.
He is committed to improving patient outcomes and eradicating osteoporosis-related suffering through his interests in holistic osteoporosis treatments, bone health advocacy, and patient feedback. Dr. Mahmud’s MD and MSc research focused on drug side effects and he leads LOC with compassion and innovation.

Mr C Wilkinson

Fitness Enthusiast

Mr C Wilkinson is a fitness enthusiast who has turned his passion for exercise and keeping fit into a career.

He strongly believes that proper body movement is essential for optimal functioning during any exercise or activity, and that strengthening our muscles can help to strengthen our bones, which is crucial for healthy aging.

Mr. Wilkinson believes that staying fit and active is essential for maintaining good health and quality of life in the long term.

Prof Sir G Catto


He Co-Founder of London Osteoporosis Clinic and is Emeritus Professor of Medicine at the Universities of London and Aberdeen. Sir Graeme was President and later Chair, of the General Medical Council until April 2009.

Professor Catto has been interested in bone health for many years. During that period of time understanding about bone health has transformed. Professor Catto advocates better care for osteoporosis and metabolic bone diseases. He is Emeritus Professor of Medicine at the Universities of London and Aberdeen.

Professor Catto is also Co-Founder of London Osteoporosis Clinic and President of the Global Osteoporosis Foundation.

Dr D Houssein


Dr D Houssien is a Consultant Rheumatologist and Laser Acupuncture Expert 🩺

Dr D Houssien has over two decades of experience in Saudi Arabia. He earned his medical degree from King Abdullaziz University and a Master of Medical Science in Rheumatology from Birmingham University, and completed his clinical research PhD in Rheumatology at King’s College Hospital.
Dr Houssien is now offering laser acupuncture services in Harley Street, where he has developed an innovative treatment for back, neck, shoulder, and knee pain.

Prof K Gaffney


Prof K Gaffney is Consultant Rheumatologist and Clinical Director for Rheumatology 🩺.
He also serves as Chair and Medical Advisor of the National Ankylosing Spondylitis Society, and President of The National Osteoporosis Society (Norwich & District Group).

Prof Gaffney’s clinical and research interests are focused on rheumatology and bone health, particularly in the areas of ankylosing spondylitis and osteoporosis.

The London Osteoporosis Clinic is a group of highly skilled professionals who specialize in the diagnosis, treatment, and management of osteoporosis and related musculoskeletal disorders.


The team is composed of Consultant Osteoporosis Physicians, Orthopaedic Surgeons, Sports & Exercise Medicine Doctors, Nutritionists, Physiotherapists, and Strengthening Trainers. They employ a multidisciplinary approach to provide early diagnosis and treatment options, both drug and non-drug, to achieve the best possible outcomes for their patients. The central team continues to grow and evolve to offer the most comprehensive care and expertise to those dealing with osteoporosis and musculoskeletal disorders.

Gemma – Senior Medical Secretary

Ryan – Strength and Conditioning Coach

Leila – Senior Nutrition Specialist

Nush – Practice Operations Specialist

Mike – Head of Design and Web Development

Muhammad & Matrix Team –  IT Development and Support Team

Simon & Thinkology Team – GOF / YO IT Development and Innovation Team

Caroline – Accounting Specialist

Shafiq – Head of Partnerships

We are all indebted to many clinical and admin staff in our different clinic locations.

August 16, 2023

Celebrities with Osteoprosis

Osteoporosis can affect at any age, it is symptomless and recognized.  Less than 2 in 10 people are assessed appropriately following a fracture, perhaps celebrities with the condition will improve…
July 14, 2023

Osteoporosis Associated with Pregnancy and Lactation: Understanding the Risks and Navigating Solutions

Osteoporosis, a condition marked by weakened and brittle bones, is often associated with older age. However, it's less known that this condition can also be associated with pregnancy and lactation.…
June 22, 2023

Preventing Hip Fractures in Osteoporosis: The Role of Early Diagnosis and Holistic Treatment Approaches at London Osteoporosis Clinic

Today, we're discussing a crucial topic that impacts many individuals diagnosed with osteoporosis: hip fractures. These injuries are consequential indeed, often leading to significant disability and decline in quality of…