Mr. Md. Abdullah Al Mamun is a distinguished legal administrator with a career spanning 27 years in the Bangladesh Judiciary, reaching the highest rank in government service (Grade-1) as a Senior District and Sessions Judge (P.R.L.). He earned his LL.B. (Honours) and LL.M. degrees from the University of Rajshahi. Throughout his judicial career, he served across various capacities, including Assistant Judge, Senior Judicial Magistrate, Additional Chief Judicial Magistrate, Chief Judicial Magistrate, and Senior District & Sessions Judge.

Mr. Mamun served four years as Senior Assistant Secretary (Administration) at the Ministry of Law, managing and conducting all administrative activities of the ministry. As Chief Judicial Magistrate, he headed the criminal judicial system of the district, presiding over trials, supervising judicial magistrates and coordinating with police and executive administration. Later, as Senior District & Sessions Judge, he led both the civil and criminal justice systems, upholding justice and supervising judges and administrative personnel across the district. Over his career, he has participated in various national and international training programs and seminars on judicial and administrative affairs.

Mr. Mamun joined Walton Hi-Tech Industries PLC on April 15, 2026, as Deputy Managing Director & Advisor. In his role, he serves as the Advisor to the Investigation Management Department, provides strategic assistance to the Legal & Credit Recovery Department and executes key operational responsibilities assigned by the Management.