Dr Lock is a Professor (Engineering) and Head of the Energy Efficiency Technology Centre at the Singapore Institute of Technology (SIT), a new government-funded university in Singapore. He is passionate about quality assurance of engineering education and is presently Deputy Chair of the Washington Accord, an international agreement formed in 1989 among signatories responsible for accrediting engineering degree programs. He plays and active role in promoting sustainability and energy efficiency in Singapore, being the current Chairman of the Accreditation Committee for Energy Service Companies and the Co-Chair of the Singapore Certified Energy Managers Scheme. For his leadership in energy efficiency and sustainability, he was awarded the Public Service Star in 2020 by the President of the Republic of Singapore.
He is an Emeritus President and an Honorary Fellow of the Institution of Engineers Singapore (IES). He served as Chairman of the Engineering Accreditation Board, IES, from 2002 to 2009, leading IES to become a signatory of the Washington Accord in 2006. He is presently a mentor to BAETE and BPERB.
He is a Fellow of Academy of Engineering Singapore, a Senior Fellow of ASEAN Academy of Engineering and Technology, and an Honorary Fellow of the ASEAN Federation of Engineering Organizations. He received both his B.Sc. (1975) and Ph.D. (1979) degrees in Electrical Engineering from the University of Strathclyde, UK. He was a faculty at the Department of Electrical Engineering, National University of Singapore for 17 years when he left to set up his consulting practice in 1997. He returned to the academia as a Professor at SIT in 2016 after 20 years in the industry.