Sun is currently EXFO’s Application Director for the Greater China region. His main responsibilities involve optical testing solutions. Prior to joining EXFO in 2000, he worked at Beijing Bell Communication Equipment Manufacturing Co., Ltd. from 1999 to 2000 and taught at the Hebei University of Science and Technology from 1991 to 1999. Sun graduated from the Telecommunications Engineering School of Beijing University of Posts and Telecommunications with a master’s degree of electromagnetic field and microwave.