Cabot Corporation Announces Leadership Transition in Reinforcement Materials Segment
June 3rd, 2025 2:18 PM
By: Newsworthy Staff
Cabot Corporation has announced the retirement of Hobart C. Kalkstein, executive vice president and president of the Reinforcement Materials Segment, and the appointment of Matthew Wood as his successor, marking a significant leadership transition within the company.

Cabot Corporation, a global leader in specialty chemicals and performance materials, has announced a significant leadership change within its Reinforcement Materials Segment. Hobart C. Kalkstein, who has served as executive vice president and president of the segment, is set to retire on January 5, 2026. Matthew Wood, currently vice president of global marketing and strategy for the Battery Materials product line, will assume the role of senior vice president and president of the Reinforcement Materials Segment effective June 15, 2025, ensuring a smooth transition.
Kalkstein's tenure at Cabot has been marked by significant achievements, including strengthening the company's position as a key supplier to the tire industry and contributing to the development of the EVOLVE® Sustainable Solutions technology platform. His leadership has been pivotal in driving the segment's financial performance and operational excellence. Sean Keohane, president and CEO of Cabot Corporation, praised Kalkstein for his contributions and leadership over the past two decades.
Matthew Wood brings a wealth of experience to his new role, with a background that spans commercial, marketing, strategy, and operational leadership across various regions. His previous roles within Cabot, including vice president of global marketing and Asia Pacific regional marketing director, have prepared him for this leadership position. Keohane expressed confidence in Wood's ability to lead the Reinforcement Materials team and drive growth for the company in the years to come.
This leadership transition is significant for Cabot Corporation and its stakeholders, as the Reinforcement Materials Segment plays a crucial role in the company's portfolio. The segment's products are essential to various industries, including automotive, construction, and electronics, making this transition a matter of interest for investors, customers, and partners alike. The appointment of Wood signals Cabot's commitment to maintaining its leadership position in the market and continuing its tradition of innovation and excellence in the specialty chemicals and performance materials industry.
Source Statement
This news article relied primarily on a press release disributed by citybiz. You can read the source press release here,
