Clinical Team — Consultant-Led, Multidisciplinary Bone Health Specialists

CO-FOUNDER & CLINICAL LEAD

MBBS, MD, MSc — GMC Reg. No. — Fellow, Royal College of Physicians

Dr Taher Mahmud is Consultant Rheumatologist, Co-Founder, and Clinical Lead of the London Osteoporosis Clinic. He trained at King’s College Hospital, St Thomas’ Hospital, and Guy’s Hospital, and holds both an MD and an MSc. He serves as Trustee of the Global Osteoporosis Foundation and is committed to a Fracture-Free Future 2040.

His clinical approach is built on an anabolic-first philosophy. Under his consultant supervision, the BoneRevive® Programme achieves an average 8–12% annual improvement in bone mineral density.

CLINICAL SPECIALISMS:

• Osteoporosis and osteopenia
• Metabolic bone disease
• Glucocorticoid-induced osteoporosis (GIOP)
• DXA interpretation and FRAX stratification
• Rheumatoid and inflammatory arthritis

CO-FOUNDER

FRCP, FMedSci — Emeritus Professor [confirm] — Former President, GMC

Professor Sir Graeme Catto is Co-Founder of the London Osteoporosis Clinic and one of the most distinguished figures in British medicine. His career includes serving as President of the General Medical Council, President of the British Medical Association, and Vice-Principal of the University of Aberdeen.

At LOC, Professor Sir Graeme Catto provides senior advisory oversight, supporting the clinic’s commitment to clinical governance, evidence-based practice, and the highest standards of patient-centred care.

CLINICAL SPECIALISMS:

• Senior clinical governance and advisory
• Metabolic bone disease and systemic medicine
• Medical education and postgraduate training
• Clinical standards and regulatory frameworks

MBBS, FRCR — GMC Reg. No. [confirm] — Fellowship: Chelsea & Westminster

Dr Naeem Ahmed is a Consultant Radiologist who trained at Guy’s, King’s, and St Thomas’ Hospitals and completed a subspecialty imaging fellowship at Chelsea and Westminster Hospital. His clinical work at the London Osteoporosis Clinic focuses on advanced bone imaging.

Beyond his clinical practice, Dr Ahmed is a co-founder of ImproveWell, a healthcare innovation platform, and founder of Selfless, a global health NGO. His involvement reflects a commitment to improving clinical systems and broadening access to care.

CLINICAL SPECIALISMS:

• DXA scan reporting and advanced bone density interpretation
• Trabecular bone score (TBS)
• Lateral vertebral fracture assessment (LVA)
• Musculoskeletal imaging and subspecialty radiology

MBBS, PhD — GMC Reg. No.  — LLLTA Certification, ASLMS

Dr Dhiya Houssien is a Consultant Rheumatologist with over two decades of clinical experience in musculoskeletal medicine and inflammatory arthritis. He completed his clinical research PhD at King’s College Hospital, where his research examined the immunological and structural aspects of rheumatic disease.

Dr Houssien integrates evidence-based medical management with holistic supportive approaches, including Low-Level Laser Therapy Acupuncture (LLLTA) for pain management, achieving the best functional outcomes for complex musculoskeletal presentations.

CLINICAL SPECIALISMS:

• Rheumatoid arthritis and connective tissue disease
• Musculoskeletal pain management
• Low-Level Laser Therapy Acupuncture (LLLTA)
• Bone health in inflammatory disease

MD, FRCP  — GMC Reg. No. — Clinical Director for Rheumatology

Professor Karl Gaffney is a Consultant Rheumatologist and Clinical Director for Rheumatology with particular expertise in ankylosing spondylitis (AS), axial spondyloarthropathy, and the intersection of inflammatory arthritis with bone health and metabolic bone disease. His academic contributions are nationally recognised.

At the London Osteoporosis Clinic, Professor Gaffney brings specialist expertise in the skeletal consequences of spondyloarthropathies and in the management of osteoporosis secondary to chronic inflammatory disease and corticosteroid treatment.

CLINICAL SPECIALISMS:

• Ankylosing spondylitis (AS) and axial spondyloarthropathy
• Osteoporosis and fracture risk in inflammatory arthritis
• Glucocorticoid-induced bone loss and bone protection
• Clinical research in rheumatology

Gary Rhodes serves as Advisory Board Lead at the London Osteoporosis Clinic, contributing strategic guidance on patient advocacy, public health engagement, and the clinic’s broader mission of making high-quality bone health care accessible to more people.

He brings extensive experience in health advocacy and patient-centred health initiatives, and his involvement supports the clinic’s long-term commitment to proactive prevention and early risk identification.

SPECIALISMS:

• Health advocacy and patient-centred engagement
• Strategic advisory and governance

Carl Wilkinson is a specialist Strength and Conditioning Coach working within the LOC clinical pathway, focusing on the therapeutic application of resistance and weight-bearing exercise for bone health and musculoskeletal rehabilitation. His programmes are designed in collaboration with the consultant team to deliver osteogenic stimulus safely and progressively to patients with varying degrees of bone fragility.

His structured approach targets the hip, spine, and wrist — the three sites most vulnerable to osteoporotic fracture — through evidence-based progressive loading protocols adapted to each patient’s DXA profile.

CLINICAL SPECIALISMS:

• Therapeutic bone loading and progressive resistance exercise
• Exercise prescription for fragility fracture prevention
• Muscle strength, balance, and functional movement
• Safe osteogenic loading protocols

mBANT, CNHC Registered

Leila Oues is a Registered Nutritional Therapist specialising in bone health nutrition, working alongside the LOC clinical team to design personalised dietary and supplementation strategies that support and enhance medical treatment outcomes. She holds membership of the British Association for Nutrition and Lifestyle Medicine (BANT) and is registered with the Complementary and Natural Healthcare Council (CNHC).

Her approach is evidence-based, practical, and tailored to each patient’s clinical profile — addressing the nutritional drivers of bone loss including calcium and Vitamin D adequacy, gut absorption, inflammatory load, and metabolic health.

CLINICAL SPECIALISMS:

• Bone health nutrition — calcium, Vitamin D, and micronutrients
• Anti-inflammatory dietary strategies
• Gut health and nutrient absorption
• Nutritional strategies for post-menopausal bone loss

Progressive resistance and weight-bearing exercise to support bone density, muscle strength, and functional resilience. Leads Friday strength sessions.

Core control, spinal alignment, and safe movement patterns for vertebral health. Leads Wednesday Pilates sessions.

Gentle, clinically adapted yoga for balance, flexibility, and confidence in movement. Leads Saturday yoga sessions.