My name is Iyoga Don Frima Tarigan, B.Eng. I was born on Kabanjahe, February 17th, 1989. I graduated with a Bachelor of Engineering from University of Indonesia, Engineering Faculty, majoring in Computer Engineering with GPA 3,10 (scale 4.00). I had always been entrusted to be a Laboratory Staff, Lecture, and Research Assistants at my campus during completion of my study. After obtaining Cisco Certified Academic Instructor (July 2011), I was appointed to be a SysAdmin for Maintenance and Monitoring Billing System PT XL Axiata Tbk, Indonesia Telecommunication Private Company.