YAŞAR DUMAN WAS BORN IN THE YEAR 1971 . HE COMPLETED HIS HIGH SCHOOL EDUCATION IN ISTANBUL . THEN HE GRADUATED FROM ISTANBUL TECHNICAL UNIVERSITY DEPARTMENT OF ELECTRONICS AND COMMUNICATION .TOPRAKBANK INFORMATION FOR YEARS WORKED IN THE IT DEPARTMENT . LATER HE BEGAN WORKING SIEMENS IN TURKEY . HE'S OUT OF WORK IN 2011. SIEMENS . SINCE YEAR 2011 FROM HIS KNOWLEDGE , SKILLS, TO TRANSMIT EXPERIENCE HE HAS FOUNDED HIS OWN COMPANY . NOW SECURITYISTANBUL ELECTRONIC SECURITY , PHYSICAL SECURITY , SECURITY CONSULTANCY IT SERVES AS