Received B.Eng and M.Eng degrees in Computer Science in respectively from Saitama University, Japan, and PhD in Software Engineering from Universiti Teknikal Malaysia Melaka. He is a lecturer at the Faculty of Computer Science, Dian Nuswantoro University, Indonesia. He is also a founder and chief executive officer of Brainmatics, Inc., a software development company in Indonesia. His current research interests include software engineering and machine learning. Professional member of the ACM, IEEE Computer Society and PMI.