He was awarded the Silver Bauhinia Star in 2006. Dr. Tsui retired as Director after 28 years with the Government. He was a member of the marine and naval architecture discipline advisory panel of the HKIE (Hong Kong Institute of Engineers). He was part of a high-level delegation to promote Hong Kong's maritime services at the Posidonia 2002 International Shipping Exhibition in Greece in June 2002.
He is currently a consultant to Shun Tak-China Travel Ship Management.