Physician-epidemiologist, bone and muscle in older adults (Liège / King Saud University)
DoctorScienceBE
LongevityTraining
Last updated: 7 October 2026
At a glance
Physician and emeritus professor of public health and epidemiology at the University of Liège; now also affiliated with King Saud University in Riyadh.
One of the world’s most prolific researchers on osteoporosis and fractures in older adults, with hundreds of papers on diagnosis, risk assessment and treatment.
Co-founder of the European Society for Clinical and Economic Aspects of Osteoporosis, Osteoarthritis and Musculoskeletal Diseases (ESCEO), which issues recommendations on osteoporosis, osteoarthritis and sarcopenia.
Recent work covers fracture-risk assessment with imaging and ultrasound, AI-based osteoporosis screening on ordinary chest X-rays, and bone fragility in older adults with diabetes.
Mentored a generation of researchers on age-related muscle loss in Liège, including Charlotte Beaudart.
Relevant because for many older people a hip fracture marks the start of lost independence; his work is about spotting that risk in time.
Criticism and nuance
Has worked extensively with the pharmaceutical industry on drug trials. Strontium ranelate, an osteoporosis drug he helped study, was later restricted and withdrawn from the European market because of cardiovascular risks.