In Metz, France), is a French cardiovascular surgeon, specialized in andrology (the medicine of masculine health).
Inventor of the first medical treatment for impotence, andrology he designed many of the modern techniques of diagnosis and treatments for erectile dysfunction; and also a preventive program for the harmful effects of ageing in the cardiovascular, hormonal, sexual, urologic and nutritional areas.
He is the author of several publications, scientific and popularization books.