Prof. Michel is an emeritus professor of Medicine and former head of the Academic Geriatric department (Geneva Hospitals and Medical University). He is also an honorary professor of Medicine at Limoges University (F) and Beijing University Hospital (CN), as well as adjunct professor at McGill University (Montreal - Ca). He was elected President of the European Union Geriatric Medicine Society (EUGMS) in 2012 and 2013. During the last International Association of Gerontology-World (IAGG) congress of Geriatric Medicine in Seoul (2013), he received a "World Award" for his lifelong, far-reaching achievements in Geriatric Medicine. Moreover, he is full board member of the French national Academy of Medicine and foreign member of the Royal Spanish Academy of Medicine. He is on-going WHO expert of the "Ageing and life course" program. In 2017, he was nominated by the IAGG-world executive board as director of the "Federation of Education in Geriatrics" with includes Asian, European, Latin American, South East Asian and Sub-Saharan Africa Academies of Geriatrics. In 2018, he was elected by the "Science Advice for Policy by European Academies" (SAPEA) to be the chairman of a working group targeting the topic: "Transforming the future of Ageing".
He has authored over 400 articles in peer-reviewed journals, plus numerous book chapters. Prof. Michel was the first editor of the recently published third edition of the Oxford Textbook of Geriatric Medicine, and has also edited another book entitled Adult vaccinations: changing the immunization paradigm in the series "Practical Issues in Geriatrics".