Lisa Feng has served as the Chief Financial Officer of ACM Research (Shanghai), Inc., the principal operating subsidiary of the Company, since November 2019. Prior to this role, Ms. Feng served as ACM’s Chief Accounting Officer, Interim Chief Financial Officer and Treasurer since January 2018, and previously served as our Financial Controller from October 2017 to January 2018. She has more than 20 years of experiences in corporate financing and managerial accounting. Prior to ACM, Ms. Feng was Corporate Controller of Amlogic, Inc. and Regional Controller in Lumenis Inc . She holds a BA from Southern Connecticut State University and a MS in accounting from Golden Gate University.