Cabot Corporation announced that Bart Kalkstein, Executive Vice President and President of the Reinforcement Materials Segment, will retire on 5 January 2026 after two decades with the company. Matt Wood, currently Vice President of Global Marketing and Strategy for Cabot’s Battery Materials business, will assume the role of Senior Vice President and President of the reinforcement Materials Segment, effective 15 June.

Kalkstein, who joined Cabot in 2005, has served in numerous leadership roles across the company’s business units. He was appointed Executive Vice President in 2022 and has led the Reinforcement Materials Segment since 2016.

“Over the past 20 years, Bart has provided tremendous business leadership,” said Sean Keohane, Cabot’s President and Chief Executive Officer. “During his close to 10-year tenure as President, Reinforcement Materials Segment, he has been instrumental in delivering that Segment’s strong financial performance, driving operational excellence at our manufacturing plants, and further strengthening our leadership position as an important supplier to the tire industry. He also played a key role in developing our EVOLVE® Sustainable Solutions technology platform.”

Kalkstein will remain with the company through early January to ensure a smooth leadership transition.

Wood, who joined Cabot from BP in 2010, has held a variety of roles spanning global marketing, strategy, operations, and general management. His prior leadership within the Reinforcement Materials segment includes roles as Vice President of Global Marketing and Regional Marketing Director for Asia Pacific.

“Matt brings a well-rounded background to his new role, with deep commercial and strategy expertise, hands-on operational leadership, and a proven track record as a disciplined and decisive business leader,” Keohane said. “I have full confidence in Matt’s ability to lead the Reinforcement Materials team and deliver growth for Cabot in the coming years.”

Wood’s recent contributions to Cabot’s Battery Materials strategy have been key in positioning the business for growth amid increasing demand in the electric vehicle sector.

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Belgian steel wire maker Bekaert reported resilient first-half 2025 earnings as strong cash generation and cost control offset softer sales, but warned that tariffs and currency pressures are weighing on demand.

The company posted consolidated sales of €1.9 billion, down 5.2 percent year-on-year, with volumes declining 2.6 percent and price/mix effects stripping out a further 2.2 percent. Underlying EBIT slipped 16.2 percent to €171 million, delivering a margin of 8.8 percent compared with 9.9 percent a year earlier.

Free cash flow surged to €123 million from €43 million in the prior-year period, driven by a €135 million reduction in working capital and €21 million in cost savings as the company continued to streamline operations and rein in capex. Net debt fell to €327 million from €399 million despite a continuing €200 million share buyback programme, €74 million of which has been completed.

“We have continued to focus on what we can control best – cash flow and costs - and have significantly reduced overheads and working capital in H1 2025,” chief executive Yves Kerstens said. “Equally, I am very pleased with the hard work of our teams fighting for volumes in the current challenging markets.”

He added: “We are also taking further steps to make our business units more autonomous and agile. Therefore, I am very confident that we will come out of the current business environment stronger and more cost competitive than ever before.”

Bekaert said volumes were particularly strong in its Steel Wire Solutions and Rubber Reinforcement divisions in the United States and China, while European and Latin American demand lagged. Its Brazilian joint ventures delivered €24 million in net profit share, up from €20 million a year ago.

However, the group cautioned that growing trade tensions – including a rise in US steel tariffs from 25 percent to 50 percent – and the weakening of the US dollar and Chinese yuan against the euro were eroding pricing power and softening orders.

“Following a period of resilience in Q2, the tariff uncertainty and weakening economic outlook has started to have an impact on demand,” Bekaert said.

The company now expects slightly lower full-year 2025 sales on a like-for-like basis, with an underlying EBIT margin of between 8.0 percent and 8.5 percent, down from 8.8 percent in the first half.

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Jeff Glajch, the Chief Financial Officer of Orion S.A., a multinational speciality chemicals firm, will retire early in the fourth quarter of 2025, the company stated today.

To find a replacement, an extensive search will be initiated. Glajch will continue to support Orion until the end of 2025 in order to facilitate a seamless transfer.

Corning Painter, CEO, Orion, said, “On behalf of our entire organisation, we thank Jeff for his guidance and valuable contributions to Orion over the past three and a half years. Thanks to Jeff’s leadership, we have exceptional finance and information technology teams in place, and we are well-positioned for future growth.”

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The Tire Society has completed its paper selection for the 44th Annual Conference on Tire Science & Technology, which will take place from September 23 to 25, 2025, at the University of Akron. This year, over 60 percent of presentations will come from international participants.

Technologists from 20 organisations in Canada, China, Germany, India, Italy, Korea, and the United States will present at the conference. Presenters include tire manufacturers, universities, testing labs, consultants, suppliers, a vehicle company, and the non-profit Consumer Reports.

This year’s program focuses on sustainability, with papers on rubber emissions, devulcanisation, tire lifecycle, and electric vehicle applications. Technical talks will also cover tire performance topics like noise reduction, cornering, traction, wear, and durability testing using predictive analytics and advanced simulations.

Dr Surendra Chawla will deliver the keynote address titled “Sustainability in the Tire Industry: Driving Toward a Greener Future.” Chawla spent four decades at Goodyear, advancing to Director of Corporate Research before retiring as Senior Director, Global Innovation. Following his Goodyear tenure, he joined the Polymer industry Cluster as a Leading Consultant, contributing to the Greater Akron region’s designation as the Sustainable Polymers Tech Hub by the US Economic Development Administration.

Michelin representatives Frederic Biesse and Damien Lim will present the plenary address “Tire Wear Emissions and Air Quality: Current Insights and Pathways Toward a Sustainable Future.” Biesse has worked 26 years at Michelin’s Clermont-Ferrand R&D Centre in France, focusing on noise, wear, and rolling resistance as Manager of the Tire Performance Analysis team. Lim brings 14 years of experience from Michelin Americas R&D Centre, specialising in tire wear studies and predictive tool development.

Scott Sass, Director of Technology at Alterra Energy LLC, will address the awards banquet with “Polymer Circularity: Steering Clear of Potholes.” Alterra has developed a continuous thermochemical liquefaction process for recycling typically non-recyclable plastics into manufacturing feedstock.

The Tire Society positions itself as the world’s leading membership organisation for tire science, engineering, and technology. Conference registrations include Tire Society membership, providing access to the peer-reviewed Tire Science and Technology Journal and post-conference presentation access through the “Play-on-Demand” feature.

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Continental Tire the Americas has named Wyatt D Hamilton Sr as the new Director of Sales for its US Truck Tire Replacement division. With over 20 years of industry expertise, Hamilton will lead strategic efforts to expand market share, enhance customer relationships and drive sales growth in the replacement truck tyre segment.

A seasoned professional, Hamilton began his career at Continental as a Field Sales Representative after earning a Business Management degree from North Carolina State University. He progressed through key roles, including Territory Sales Manager and Key Account Manager for both Replacement and Original Equipment (OE) Truck Tires. His leadership expanded globally when he headed Continental’s Truck Tire OE team in Malaysia for the APAC market. Upon returning to the Americas, he led the Pricing and Market Intelligence team, influencing strategic decisions. Most recently, as Director of OE and Strategic Accounts, he developed business strategies while fostering collaboration across engineering, operations and sales teams, along with talent development initiatives.

Based at Continental’s US headquarters in Fort Mill, South Carolina, Hamilton’s deep industry knowledge and leadership will further strengthen the company’s position in the truck tyre market.

Shaun Uys, Vice President Truck Tire US, Continental Tire the Americas, LLC, said, "Wyatt's extensive industry expertise, unwavering commitment to customer satisfaction and strategic foresight position him as the perfect leader to elevate our replacement truck tyre business to new heights. We are eager to witness the contributions he will bring to this pivotal role."

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