2009-Now Research Assistant Professor and PI Chaperon, Cariology and Operative Dentistry, Global COE Program, International Research Center for Molecular Science in Tooth and Bone Diseases, TMDU
2008 Visiting Assistant Professor, Dental Materials,School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2008 Fellow researcher and technical assistant at the department of restorative sciences, Tokyo Medical and Dental University, Tokyo, Japan
2007-2008 R&D consultant at dental materials production company, Japan
2005-now Teaching at the dental technology advance course at Tokyo Medical and Dental University, Tokyo, Japan
2003-Now  Peer reviewer and editor of technical texts and scientific manuscripts for different journals, Tokyo Medical and Dental University, Tokyo, Japan
2002-2003 General Dental Practitioner in Mehrshahr, Iran
1999-2002 Clinical Internship at Shahid Beheshti University Dental Hospital, Tehran, Iran