Ir CS Chang obtained his BSc degree in Electrical Engineering majoring in computer software from the University of Hong Kong and an MBA degree from Chinese University of Hong Kong. He has worked in France for the development of the software which was used in the MTRC Island Line Train Control System in 1985. Since then, he has been working as a project manager on various multi-disciplinary control, communication and signaling projects for both the operational railway and new railway lines for Mass Transit Railway Corporation, Kowloon Canton Railway Corporation and then MTR Corporation Limited after MTRC and KCRC merged into one company in December 2007. In 2008, he left MTR and moved into the consultancy business mainly in the railway industry with current projects in various major cities of the world.
CS is a professional railway system engineer with over 30 years of international project experience. CS possesses a wealth of knowledge and experience in the design, installation, testing and commissioning of multi-disciplinary and sophisticated railway systems as well as in the project management of mega size railway projects. Moreover, CS is instrumental in conducting critical reviews on train operation of mass transit railway and light rail system with an aim to assess the ergonomic design and technical robustness for both new and existing railways.
CS is currently the Chairman and Director of Key Direction Limited and the Chief Executive Officer of PYPUN-KD & Associates Limited. CS is also a Part-Time Lecturer for the MSc course on Railway Engineering in the Chinese University of Hong Kong and the Adjunct Lecturer in Singapore Polytechnic.
CS is the Immediate Past Chairman of Asia Pacific Regional Board (now Communities Committee Asia Pacific) of Institution of Engineering and Technology (IET), Past Chairman of IET Hong Kong and Past Chairman of CAI Division of HKIE. He also sits in various boards, panels and committees on both industrial and academic bodies in Hong Kong and overseas.
In addition, CS has written and presented over 30 papers in various international conferences on project management, system engineering, system interface management and system integration for railway.