Evelien Gielen, MD PhD, is professor at the department of Gerontology and Geriatrics in UZ Leuven and supervisor at the Metabolic Bone Diseases Center in UZ Leuven. She is also part-time docent at the Faculty of Medicine of the KU Leuven. In 2014, she received her PhD at the University of Leuven, Belgium with the doctoral thesis Determinants of musculoskeletal frailty in ageing men: results of the European Male Ageing Study. Part of her PhD she did at the University of Manchester, UK. Her research activities focus on musculoskeletal frailty and on strategies to reduce the risk of fractures and frailty in the elderly. Her specific areas of expertise include osteoporosis in old age and sarcopenia. She is involved in several high-profile clinical projects and randomized trials in the field of osteoporosis and sarcopenia. Since 2013, she is partner of Expertisecentrum Val- en fractuurpreventie Vlaanderen (EVV) and board member of the Belgium Bone Club, of which she became the president in 2018. She is co-founder and treasurer of the Belgian Ageing Muscle Society (BAMS), a scientific organization for scientists and health care professionals founded in 2016 that focuses on research on the understanding of muscle ageing and the promotion of optimal muscle health in ageing persons.