Al Riaz Uddin is a Bangladeshi Wikimedian who has been actively contributing to Wikipedia and its sister projects since 2017. He currently serves as an Administrator and CheckUser on Bangla Wikipedia. Alongside these technical and administrative roles, he is the Communication Lead at Bangla Wikiconnect and a Co-Editor of WikiBarta, the official magazine of Wikimedia Bangladesh. Dedicated to the dissemination of open knowledge, he has played key roles as an organizer, coordinator, and reviewer in several prominent initiatives, including the Wiktionary Entry Contest, Wiki Loves Children, Islam-related editathons, and the ‘Lokkhyo Ebar Lokkho’ Contest.