- Chair Professor at KTH Royal Institute of Technology
- Fellow of Canadian Academy of Engineering (CAE)
- International Academy for Production Engineering (CIRP)
- Society of Manufacturing Engineers (SME)
- American Society of Mechanical Engineers (ASME)
- Emeritus Professor of Mechanical Engineering at National University of Singapore
- Past President of CIRP
- Founding Fellow of SAEng
- Fellow of SME
- Managing Director of G.E.W. International Corp. Ltd
- Deputy Chairman of the Vocational Training Council
- Honorary Presidents of the Federation of Hong Kong Industries
- Head of Re-industrialisation, Hong Kong Science and Technology Parks Corporation
- Fellow Member of the Hong Kong Institution of Engineers
