Mr Tsang was graduated from Chinese University of Hong Kong in 1984 awarding a Bachelor Degree of Social Science with majoring in Economics. He also got a Higher Certificate of Electronic Engineering in 1983. He has worked in electronic communication industry for 20 years and worked in National Semiconductor and Hong Kong Telecom for more than 10 years. He was the founder of Proactive Technology Limited which was listed in Hong Kong GEM in 2000. He has also awarded the Young Industrialist in 2000 granted by Hong Kong Young Industrialist Council. He is currently the CEO of BioMed Technology Holdings Limited.