ACM Senior Management

David Wang is ACM’s founder and has served as Chief Executive Officer and President and also as a company director since January 1998. Dr. Wang received a Ph.D. and Master of Engineering in Precision Engineering from Osaka University and a Bachelor of Science in Precision Instruments from Tsinghua University. He is the inventor of stress-free Cu polishing technology, and he holds more than 100 patents in semiconductor equipment and process technology. Dr. Wang brings extensive experience in semiconductor equipment, manufacturing processes and markets from his many years of leadership in the industry.

Mark McKechnie has served as the Chief Financial Officer and Treasurer of ACM Research, Inc. since November 2019. Mr. McKechnie joined ACM Research and was appointed as the Company’s Vice President of Finance in July 2018. He has more than 25 years of experience in product management, public equity markets, and corporate finance at Motorola, Intel, Evercore Partners and other Wall Street and technology companies. Mr. McKechnie holds a BSEE from Purdue University and an MBA from The Kellogg Graduate School of Management at Northwestern.

Sotheara Cheav has served as ACM’s Senior Vice President of Manufacturing since April 2025. Prior to this role, Mr. Cheav was Senior Vice President of Manufacturing at ACM’s subsidiary ACM Research (Shanghai) from May 2019 to March 2025. Mr. Cheav previously served as Vice President of Manufacturing of ACM Research (Shanghai) from January 2015 to May 2019 and as Director of Manufacturing from 2011 to December 2014. Mr. Cheav received a Bachelor of Science degree in Science and Technology from the University of Cambodia and an Associate of Science degree in Electronics from Bay Valley Technical Institute.

Jim Straus has served as ACM’s Vice President of Sales for North America since April 2020. Mr. Straus has 30 years of experience in semiconductor equipment sales, business development, account management, and operations supporting leading global semiconductor manufacturers. Mr. Straus holds a BS from the United States Military Academy, West Point, and an MBA from Fisher College of Business at The Ohio State University.

Howard Chen joined ACM Research as General Counsel and Vice President of Corporate Strategy in 2024. Before joining ACMR, Mr. Chen was a leading high-tech legal practitioner based in San Francisco for decades, having represented numerous global technology companies with significant operations in Asia including Taiwan based technology leaders such as TSMC, VIA, Acer, Wistron, Wiwynn, and Nanya, to name a few.

Mr. Chen most recently served as the Co-Chair of the China Practice at Greenberg Traurig, a large global law firm and, before that, was a leading partner representing Asian high-tech companies at another large global law firm K&L Gates. With more than 25 years of technology and legal experience, beginning with his first engineering role at AMD, Mr. Chen’s career has been marked by significant contributions to technology firms globally, in the U.S., Asia and Europe. Mr. Chen has earned accolades such as being named one of the “Best Lawyers in America” and “IP Stars,” highlighting his prestigious standing in the legal community.

Jian Wang has served as Chief Executive Officer and President of the company’s subsidiary, ACM Research (Shanghai), Inc. since November 2019. Prior to this role, Mr. Wang served as Vice President of Research and Development at ACM Research (Shanghai), Inc. since January 2015, and previously served as Director of Research and Development at ACM Research (Shanghai), Inc., from 2011 to January 2015, focusing on SFP and ECP technologies. Mr. Wang received a Master of Science in Computer Science from Northwestern Polytechnic University, a Master of Science in Marine Engineering from Kobe University, and a Bachelor of Science in Mechanical Engineering from Southeast University.

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.

Fuping Chen has served as Vice President of Sales-China of the company’s subsidiary, ACM Research (Shanghai), Inc. Prior to this role, Fuping Chen has more than 10 years of experience in the semiconductor industry, joining ACM in Jan 2010. Focus on the development of new wet process and equipment, also the application in customer site. From 2006 to 2010, Fuping Chen served as Assist Wet Process Manager of SKhynix. From 2010 to 2017, Fuping Chen served as Senior Technical Diretor of ACM. Mr. Chen received a BS degree from the Nanjing Univeisty of Technology of Material Science and Engineering; A MS degree from the Zhejiang University of Material Science and Engineering.

ACM Research Inc.

David H. Wang Ph.D.

CEO and President of ACM Research, Inc.

Mark McKechnie

CFO and Treasurer of ACM Research Inc.,

Sotheara Cheav

Senior Vice President, Manufacturing of ACM Research, Inc.

Jim Straus

Vice President of Sales, North America of ACM Research, Inc.

Howard Chen

General Counsel & Vice President of Strategy of ACM Research, Inc.

ACM Research (Shanghai) Inc.

Jian Wang

CEO and President of ACM Research (Shanghai) Inc.

Lisa Feng

CFO of ACM Research (Shanghai) Inc.

Fuping Chen

Vice President, Sales of ACM Research (Shanghai) Inc.

ACM Research (Korea) Inc.