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- MD: Semmelweis University of Medical Sciences, Budapest, Hungary.
- Internal medicine residency: Albert Einstein College of Medicine and New York Medical College (1980-1983). New York.
Medical cursus in the USA (1983-1999) :Clinical Instructor, New York Medical College (1983). Teaching attending physician at Cabrini Medical Center, 1984-1986. Attending physician New-York Infirmary Beekman Downtown Hospital, Beth Israel North Hospital New York, NY (1986-1988) while in private practice.Attending physician at Winthrop University Hospital, Department of Ambulatory Care, Mineola NY. 1989-1991.Clinical visiting physician Ryan-Nena Health Center New York NY 1991-1999
Medical cursus in France (2000- present) : Institute Alfred Fournier, Paris. Head of the Anonymous HIV screening center (CDAG) 2000-2003
Pasteur Institute Medical Center, consultations in infectious and tropical diseases, travel medicine and international vaccinations (2003 – present)