Upon graduation in 1998, Thomas, Lau Ming Yu joined Atkins China Limited. He has acquired extensive experience in engineering design and project management for large-scale infrastructure projects, such as West Rail, Central Reclamation, Dubai Metro, Central Wan Chai Bypass, West Island Line, South Island Line, Shatin Central Link and High Speed Rail.

Since 2010, Lau has joined MTR Corporation Limited (MTRCL) and has taken a key role in the design management of West Kowloon Station of the High Speed Rail Project, properly the biggest underground railway station in the world. Since 2013, Lau has taken up additional responsibilities in project management for the whole High Speed Rail Project.

Since 2014, Lau has joined the Civil Division of Hong Kong Institution of Engineers (HKIE) as a committee member. In 2016, Lau was elected as an Elected Ordinary Member of the Council of the HKIE Headquarter.

Currently, Lau is the Design Manager and the Competent Person of High Speed Rail Project in MTRCL to achieve the completion of this challenging mega project. In HKIE, Lau is currently the Deputy Chairman of the Civil Division, and also a Council Member and an Executive Member of the HKIE Headquarter.