2026 Semiconductor Materials Development Forum（Wuxi）

Dr. Li is PhD from The University of Kentucky, USA, with expertise mainly including crystallography, defect dynamics, and semiconductor physics. He currently serves as the Chief Technology Officer (CTO) at Wafer Works Co. (Shanghai), where he leads planning and executing roadmaps of technology and products, focusing on 300mm specialty Si and compound wafers. He was serving the CTO at Wafer Works Group, developing 300mm Si wafers, SOI wafers, GaN and SiC wafers, and conducting R&D in crystal optics and designing of power devices. He formerly taught at National Tsing Hua University (Taiwan) and has served as a Visiting Professor in the Department of Physics at Chung Yuan Christian University (Taiwan) for for 10 years, assisting in the establishment of The Crystal Optics Research Center and dedicating to educating young talents and developing innovative technologies in fields of semiconductor.

Junbao Zhang, PhD，Professorate Senior Engineer，CTO at Shanghai Advanced Silicon Technology Co., Ltd. Focuses on core equipment for large silicon wafers, crystal growth process technologies, and new product R&D.

Diansheng Ren, Ph.D., Professorate Senior Engineer. Currently serving as Technical Director of Beijing Tongmei Crystal Technology Co., Ltd.(AXT Inc.), Core Member of the SEMI China Compound Semiconductor Standards Technical Committee, With over 20 years of R&D and production experience in compound semiconductor materials, especially Gallium Arsenide and Indium Phosphide. Has led or participated in multiple national-level R&D projects on semiconductor materials and been granted more than 30 patents.

Dr. Lan Feifei, lead of the Diamond Material R&D Team, expert at the 46th Research Institute of China Electronics Technology Group Corporation, and a Tier-1 Innovative Talent of Tianjin’s "131 Talent Program". His research focuses on single-crystal diamond, polycrystalline diamond, direct diamond growth on compound semiconductors such as GaN/diamond, as well as thermal, electrical and interfacial properties of compound semiconductor/diamond composite structures. He holds more than 10 authorized invention patents and won the Third Prize of CETC Technical Invention Award. He has presided over and participated in multiple national-level scientific research projects.