Mooi Poh Kong A.M.N. holds a BA (Hons) in History from Universiti Kebangsaan Malaysia. He joined the Ministry of Human Resources in 1997 as an Assistant Director in the Industrial Relations Department Headquarters. Over time, he was elevated to the position of Senior Assistant Director and in 2008, to the role of Director, Legal Division. In this capacity, he oversaw various matters including advisory services, law amendments, judicial reviews, investigations and prosecutions. It was during this period that he pursued and obtained his Diploma in Industrial Relations and Bachelor of Jurisprudence (External), both from the University of Malaya.
Moving up the career path, Mooi was appointed Labour Attache at the High Commission of Malaysia in Singapore in 2011. In this role, he provided assistance to Malaysian workers facing employment issues or distress while working in Singapore. Upon his return in 2013, he assumed the position of Director (Sarawak Branch) at the Industrial Relations Department until 2015. Subsequently, he was promoted to Senior Director (Law and Enforcement) at the Trade Unions Affairs Department in Putrajaya. In this capacity, he was involved in various initiatives, including the amendment of the Trade Unions Act 1959 and its regulations, until his retirement in 2020. Currently, Mooi serves as a Consultant in industrial relations matters.