Ms. Puma is an executive with extensive management and leadership experience in the semiconductor and technology industries. From January 2002 until May 2023, Ms. Puma served as president and chief executive officer of Axcelis Technologies, Inc., having served as Axcelis president and chief operating officer from May 2000 until January 2002. From 1996 until 2000, Ms. Puma served in several senior management roles at Eaton Corporation. Prior to joining Eaton, Ms. Puma spent 15 years in various marketing and general management positions for General Electric Company. From July 2005 until May 2025, she served as a member of the board of SEMI, a global association providing industry stewardship and promoting the interests of the global electronics supply chain, serving as the chair of the board from December 2022 until May 2025. Through her role as chief executive officer of Axcelis for over 20 years, Ms. Puma brings to the Board a keen understanding of the critical role suppliers play within the semiconductor ecosystem. At Axcelis, Ms. Puma gained significant experience leading a technology company serving an international market and managing risk at an enterprise level. This experience enables her to provide expertise in strategic and operational leadership, governance, business planning and international business and share critical insight into the requirements of semiconductor equipment manufacturers.