Cabot Corporation Announces Reinforcement Materials Segment Executive Transition

Core Viewpoint - Cabot Corporation has appointed William Masterson as the new senior vice president and president of the Reinforcement Materials segment, effective November 21, 2025, succeeding Matthew Wood who has left the company immediately [1][2]. Group 1: Leadership Transition - William Masterson has been with Cabot since 2011 and has held various leadership roles, most recently as vice president of Global Business Operations for Carbon and Silica Technologies, overseeing multiple manufacturing facilities globally [3]. - Masterson's previous roles included vice president and regional business director for the Americas in specialty carbons and fumed metal oxides, where he was responsible for sales, marketing, and technical service activities [3]. - The departure of Matthew Wood was not due to any disagreements regarding the company's business performance or operations [2]. Group 2: Masterson's Qualifications - Masterson brings a strong background in global business operations and commercial strategy, with a proven track record in leading complex organizations [4]. - He is recognized for his collaborative leadership style and ability to develop talent within the company, which is expected to support the Reinforcement Materials business [4]. - The existing team in the Reinforcement Materials segment is described as long-tenured and highly experienced, providing a solid foundation for Masterson's leadership [4]. Group 3: Company Overview - Cabot Corporation is a global specialty chemicals and performance materials company headquartered in Boston, Massachusetts, known for its products including reinforcing carbons, specialty carbons, battery materials, and fumed metal oxides [5].