2000 — Acıbadem Healthcare Services
1999 - 2000 — Rush University
1996 - 1999 — Rush University
1996 - 1999 — Rush University Rinoloji Baş-Boyun Cerrahisi, Chicago, ABD
1999 — Hacettepe University Faculty of Medicine
1995 - 1996 — Lenox Hill Hospital, Newyork, ABD
1995 - 1996 — Lenox Hill Hospital
1994 - 1995 — Newyork University Genel Cerrahi, Newyork, ABD
1994 - 1995 — Newyork University
1992 - 1994 — UCLA KBB Baş Boyun Cerrahisi Los Angeles, CA, ABD
