Professor of Endodontics, Tabriz University of Medical Sciences

Hacettepe University, Ankara, Turkey

Dental College of Yonsei University

Professor, Dept of Conservative Dentistry & Endodontics

Division of Endodontics, School of Dentistry, University of Maryland in Baltimore

Saveetha Institute Of Medical and Technical Sciences

Department of Endodontics, Karadeniz Technical University, Faculty of Dentistry

Clinical Professor of Dentistry, Endodontics, University of Michigan

Associate Professor, UT Health San Antonio

Professor of Endodontics, Faculty of Dentistry, Ain Shams University, Cairo, Egypt