Acquired a Ph.D degree in 2002 (X-ray spectroscopy) and served as a researcher in Samsung Electronics, Huawei, HGST, and Western Digital. As a Linux kernel developer contributed in HFS+ and NILFS2 file system drivers and designed a SSDFS open-source file system. Research interests include file systems and data storage design, neuromorphic computing, data-centric and memory-centric computing, cognitive computing, and quantum computing. Have several papers and around 50 patents.