Sept 1996 ~July 2003，Beijing Tsinghua University，graduated as Master of Science-Applied Acoustic；

July 2003~June 2009，working in Philips Sound Solutions, starting as sales FAE, later on as development department manager;

Since July 2009，founder and CEO of King Tone Innovation;

Since August 2018，specialist and director of acoustic technology committee of Luxshare-ICT group.

During the 22 years working experience, mainly work with micro loudspeaker design and application; audio amplifier circuit design and testing; piezo speaker design and mems driver applications.