Malcom Mussen Lamoh is the member of Sarawak State Legislative Assembly for Batang Ai constituency in Sarawak, Malaysia. He was elected in a by election after the incumbent died in heart attack. He is former Senior Engineer in Public Works Department Sarawak. He can speak fluently in Bahasa Malaysia, English, Japanese and Mandarin. He is the member of local ruling party, Parti Rakyat Sarawak. Mussen holds a bachelor's degree from Universiti Putra Malaysia and a master's degree from the University of Warwick.