Mr Tsui is an outstanding entrepreneur who has established two companies in developing innovative and technologically advanced medical devices for the healthcare sector. An occupational therapist by training, Mr Tsui has devoted tremendous efforts to spearheading new technologies in the field of medical device by introducing high-quality rehabilitation system to Hong Kong. He has been contributing to PolyU's biomedical research by providing funding for research projects including the development of "Exoskeleton robotic hand", with new trade name "Hand of Hope". This device has won many international awards, most notably the Gold Award and Grand Prix Award of the 40th International Exhibition of Inventions of Geneva in 2012. This grand prize was awarded to a Hong Kong organization for the first time in 40 years.
Mr Tsui is also the main collaborator of PolyU's Innovation and Technology Fund research project titled "Brain Training Device for Neurorehabilitation in Stroke Recovery". He has been offering many training and development opportunities for PolyU students and supporting the charity projects of World Vision by donating rehabilitation products to their centres. Mr Tsui also served the Board of the Association for more than 4 years from March 2014 to October 2018. Mr Tsui also served the Boare of Directors of the Association for from 2014-2018.