Professor of Surgery, Yale School of Medicine

Professor of Oral and Maxillofacial Surgery, Tehran University of Medical sciences

college of dentistry

Oral and Maxillofacial surgeon, Tabriz University of Medical Siences

assisstant professor of Oral and Maxillofacial surgery, Medical University of Hamadan

Voluntary staff at Universitary Hospital at UFSC; Aluno Mestrado Profissional EPM-Unifesp

Verdun Hospital, Montreal, Canada

JT Plastic Surgery Clinic, Seoul, South Korea