1. Scientific officer, Tool Marks and Materials Laboratory, Division of Criminal Identification and Forensic Science (DIFS), Israel National Police HQ, Jerusalem, 91906, IL.
2. Former Firearms Examiner at DIFS, Duty officer, Alenby Bridge Station, SHAY District, Israel National Police, IL.
3. Firearms Examiner, Firearms Identification Laboratory, Division of Criminal Identification and Forensic Science (DIFS), Israel National Police HQ, Jerusalem, IL.