Dato’ Lee is the Malaysian Chairman, Governing Council, International Science Technology and Innovation Centre for South-South Cooperation under the auspices of UNESCO (ISTIC), Kuala Lumpur; Member of the National Science and Research Council, Malaysia; Pro-Chancellor, Infrastructure University Kuala Lumpur; Chairman Global Council InterAcademy Partnership (IAP) Science Education Program; Vice Chairman, UN Sustainable Development Solution Network (SDSN) Malaysia; Founding Patron of the International Young Professionals Foundation; Director of Malaysia Australia Foundation ; Member of International Committee, LAMAP Fondation France; Member of S&T Committee, CARICOM Science Foundation; Member of Jury, OECD DAC Innovation Prize and Honorary Fellow of the Institution of Engineering and Technology, UK; the Institution of Civil Engineers, UK; Engineers Australia; Myanmar Engineering Society and the Institution of Engineers, Mauritius.
He was President and now Distinguished Honorary Fellow of the Institution of Engineers Malaysia; Chairman and now Honorary President of Commonwealth Engineers Council (CEC); President of the World Federation of Engineering Organisations (WFEO) 2003-2005.
He was Co-chair of Task Force “Science, Technology and Innovation” of the United Nations Millennium Project 2002-2005; Member of the Board of Trustees of Engineers Against Poverty, U.K; Member of International Board, Engineers Without Borders Canada; Member of the International Commission for Education for Sustainable Development Practice, Earth Institute, Columbia University 2006-2008; Member of International Advisory Board of Grand Challenges Canada and Member of the National Economic and Social Council Kenya; Board Director of UMW Holdings Berhad; and Commissioner of the Energy Commission of Malaysia.
He is founding Secretary General and Senior Fellow of the Academy of Sciences Malaysia; the founder President of the ASEAN Academy of Engineering and Technology; Foreign Fellow of the Australian Academy of Technological Sciences and Engineering; and a Corresponding Member of the Pan-American Academy of Engineering.
He was Co-author of the UN Millennium Project Science Technology and Innovation Task Force Study Report “Innovation: Applying Knowledge in Development”, 2005. He published his autobiography “Think Malaysia, Act Global” September 2010.
He was awarded the UN Office for South-South Cooperation 2014 Triangular Visionary Leadership Award; the Jiang YoungSil Grand International Science and Culture Prize, Korea; the Malaysian State Awards of DPMP and KMN and the Honorary Officer in the Order of Australia (AO).