Ir Haji Yusoff Bin Daud is the Chairmain of Irama Duta Sdn Bhd.
He was graduated from the University of Brighton with a Bachelor of Science (Honours) Degree in Electrical Engineering in 1968. He is a professional engineer with the Board of Engineers Malaysia and a member of Institute of Engineers Malaysia.
He has over 53 years of management and professional experience in the consulting engineering industry. He joined National Electricity Board (LLN), Kota Bharu immediately after his graduation and in 1970, he was posted to Kedah as Assistant Engineer Consumers. In 1974, he was promoted to District Engineer where he was responsible for the planning and implementation of electricity supply for northern Kedah and the state of Perlis. In 1977, he became the Senior District Manager, Kuala Terengganu, where he was responsible for the overall management and operations of electricity supply in the State of Terengganu. From 1979 to 1980, he was attached to Petronas in the Special Projects Department as its Deputy Head responsible for the planning of the Peninsular Gas Utilization Project. In 1981, he was appointed a Director of Zaidun-Leeng Sdn Bhd and was subsequently made the Managing Director in 1994, a position which he held until 2002 when he was appointed as the Chairman until today. Zaidun-Leeng Sdn Bhd specializes in the planning and design of infrastructure projects including mechanical, electrical and structural engineering services for buildings.