This is Nurunnaby Chowdhury (Hasive) currently works as Founder & CEO of Open Digital Communication. In addition to this, he has been involved with Bengali Wikipedia as Administrator and Board Member of Wikimedia Bangladesh. He involve with Wikipedia since 2008. He is also the Asst. General Secretary & Coordinator (PR) of Bangladesh Open Source Network (BdOSN), Task Force Member of Mozilla Bangladesh Community, Central Team MOVers of BangladeshMathematical Olympiad Committee (BdMOC) & Core Team member & Coordinator (PR) of Society for the Popularization of Science, Bangladesh (SPSB). As a writer, he writes about Open Source, Wikipedia, and Open Knowledge regularly. As author he has written five books in Bengali about Open Source Software, Bengali Wikipedia, Mobile Apps & Computer helpline which were published at the National Book Fair. He loves to work for open source & open knowledge & he has been involved with this type of work since 2006.