Mary Puma

Mary Puma

Former President and Chief Executive Officer of Axcelis Technologies, Inc.

Joined Allegro MicroSystems Board: 2023

Mary Puma joins Allegro’s Board with more than 40 years of technology experience, including 25 years in the semiconductor industry. Ms. Puma is the Executive Chairperson of Axcelis Technologies, Inc., and previously served as President and Chief Executive Officer of Axcelis from January 2002 to May 2023. Prior to becoming CEO of Axcelis, she served as the company’s President and Chief Operating Officer beginning in July 2000. In 1998, Ms. Puma was appointed General Manager and Vice President of Axcelis’s predecessor, the Implant Systems Division of Eaton Corporation, a global diversified industrial manufacturer, after having joined in 1996 as general manager of Eaton’s Commercial Controls Division. Prior to Eaton, Ms. Puma spent 15 years in various marketing and general management positions at General Electric Company.

Beginning in August 2023, Ms. Puma joined Ciena Corporation’s board of directors. Ms. Puma is also a director of SMART Global Holdings, Inc. and Nordson Corporation. Since December 2022, she has served as Chairperson of the Board of Semiconductor Equipment and Materials International (SEMI), a global industry association serving the manufacturing supply chain for the micro- and nano-electronics industries.

Ms. Puma holds a Bachelor of Arts degree in Economics from Tufts University and a Master of Science degree from the MIT Sloan School of Management.

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