Dr. Tsai has been vice president of Telecom Laboratories, Chunghwa Telecom Co., Ltd. since 2013. His career in Chunghwa Telecom began in 1979 as a researcher in Transmission Technology Lab. of Telecom Laboratories. Before his long leave from Telecommunication Laboratories, Dr. Tsai was funded by government fellowship for studying abroad. After 2001 his area of responsibility was expanded from of previously more research-oriented nature to managing practical business operations. Since then he has held various positions within Chunghwa Telecom organizations, in particular extensively in Southern Taiwan Business Group. Before returning to Telecom Laboratories, he was President of Kaohsiung Branch of Southern Taiwan Business Group. His areas of expertise are centered around Communication Network, covering Network Support and emerging Information and Network Technologies and Services.
Currently Dr. Tsai oversees the research activities of Wireless Communications, Broadband Network, Network Management, Big Data Analytics and Cloud Computing in Telecom Laboratories.