Clinical Microbiology and Infectious Diseases Physician (25 years)
Immunology and Allergic Diseases Physician (22 years)
Head of Tissue Typing Laboratory (22 years)
Head of Immunology Laboratory (25 years)
Faculty Member (Assistant Professor, Associate and Professor for 20 years)
1979 – 1985 Medical Education, Military School of Medicine, GATA
1988 – 1992 Clinical Microbiology and Infectious Diseases Residency, GATA
1993 – 1995 Clinical Immunology and Allergy Residency, Ankara University