David is currently Chief Operating Officer of TPMA Consulting Ltd. Prior to this, David was General Manager in Engineering with MTR Hong Kong. He has extensive experience in railway maintenance and operations. Within his over 32 years of working in Hong Kong MTR Corporation, David had taken up several senior positions including General Manager – Infrastructure and General manager – Technical & Engineering Services. He then became the Chief of Operations Engineering between 2011 and 2013 responsible for the overall asset management of the whole operational railway system in Hong Kong. The railway assets managed include rolling stock, permanent way, signalling, power distribution, communication, automatic fare collection as well as railway structures. David was also the head of a PPP railway project for the construction and operations of a railway line in China. He was also involved in other overseas projects in Europe and the Middle East.