GlobalFoundries Leadership

Thomas Caulfield

Dr. Thomas Caulfield


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Dr. Thomas Caulfield is Chief Executive Officer (CEO) of GF and was elected to the board of directors in March 2018. Dr. Caulfield joined the company in May 2014 as Senior Vice President and General Manager of the company’s Fab 8 semiconductor wafer manufacturing facility in Malta, NY, where he led operations, expansion and the ramp-up of semiconductor manufacturing production.

Dr. Caulfield has an extensive career spanning engineering, management and global operational leadership with leading technology companies. Prior to joining GF, Dr. Caulfield served as President and Chief Operations Officer (COO) at Soraa from May 2012 to May 2014, the world’s leading developer of GaN on GaNTM (gallium nitride on gallium nitride) solid-state lighting technology. Before Soraa, Dr. Caulfield served as President and COO of Ausra from 2009 to 2010, a leading provider of large-scale concentrated solar power solutions for electricity generation and industrial steam production. Prior to leading at Ausra, Dr. Caulfield served as Executive Vice President of Sales, Marketing and Customer Service at Novellus Systems, Inc. Before that, Dr. Caulfield spent 17 years at IBM in a variety of senior leadership roles, ultimately serving as vice president of 300mm semiconductor operations for IBM’s Microelectronics division, leading its wafer fabrication operations in East Fishkill, NY.

Dr. Caulfield earned a Bachelor of Science in Physics from St. Lawrence University before entering Columbia University’s Fu Foundation School of Engineering and Applied Science, where he earned both his Bachelor and Master’s in Materials Science and Engineering as well as a Doctorate in Materials Science and Engineering. Dr. Caulfield was also a postdoctoral fellow at Columbia’s Engineering Center for Strategic Materials.

KC Ang

Kay Chai "KC" Ang

SVP Global Fab Operations

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Kay Chai (KC) Ang is Senior Vice President of Global Fab Operations for GF since October 2020. Mr. Ang joined GF in July 2009 and has served in a variety of senior leadership roles for the company including head of all of our Singapore operations from 2012 to 2020 and as head of the Fab 1 manufacturing facility, customer engineering and corporate quality organizations.

Mr. Ang has more than 30 years of foundry industry experience with a proven track record in manufacturing operations, fab start-up, and technology transfer. Prior to joining the company, he held senior leadership positions at Chartered Semiconductor Manufacturing from 1988 to 2009, including Senior Vice President of Sales and Marketing with responsibility for global sales, marketing, services, customer support and regional business operations. He also served as Senior Vice President of Fab Operations, where Mr. Ang had responsibility for manufacturing strategy and operational excellence across all of the company’s fabs from 2002 to 2007, including the launching operations at Chartered’s 300mm Fab 7 facility, which was integrated into GF in January 2010. Mr. Ang has held other manufacturing operations roles at Chartered as well as at SilTerra. He is also the SEMI Southeast Asia Regional Advisory Chairman and the Board Advisor to Singapore Semiconductor Industry Association.

Mr. Ang holds a bachelor’s degree in Mechanical Engineering from National Taiwan University and a master’s degree in Engineering from University of Texas.