- Internship, Gülhane Military Medical Academy, Ankara, (1990-1991)
- Ship Physician, T.C.G. C.G. Hasanpaşa, Tuzla / İstanbul, (1991-1992)
- Chief of infirmary, Naval High School Command, Heybeliada/İstanbul, (1992-1993)
- Residency, Department of Nuclear Medicine, Gülhane Military Medical Academy, Ankara (1993-1996)
- Residency, Department of Nuclear Medicine, Gülhane Military Medical Academy, Ankara (1996-1997)
- Assist. Prof, Department of Nuclear Medicine, Gülhane Military Medical Academy, Ankara (1997-1999)
- Assoc. Prof., Department of Nuclear Medicine, Gülhane Military Medical Academy, Ankara (1999-2008)
- Professor, Department of Nuclear Medicine, Gülhane Military Medical Academy, Ankara (2008-2010)
- Department of Nuclear Medicine, Güven Hospital, Ankara, (2010)
Seyfettin ILGAN
MD, Professor of Nuclear Medicine
Güven Health Group Memorandum
20+ Years