BERLIN, October 31, 2025 – Thyssenkrupp AG (TKAG.DE) has named Marie Jaroni as the new CEO of its steel business, effective November 1, 2025, replacing Dennis Grimm, who has agreed to step down, the company announced on Friday.

Jaroni, who most recently served as the chief sales officer and chief transformation officer of the steel division, has held multiple roles within Thyssenkrupp’s steel operations, providing her with extensive experience in the division’s commercial and operational functions.

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Leadership Change at Thyssenkrupp Steel

Thyssenkrupp’s supervisory board chair, Ilse Henne, praised Grimm for his contributions:

“Dennis Grimm took on responsibility for steel at Thyssenkrupp during a challenging phase and played a decisive role in shaping a new industrial concept and initiating the urgently needed restructuring.”

Grimm’s tenure was marked by strategic efforts to revamp Thyssenkrupp Steel Europe (TKSE), including industrial restructuring initiatives aimed at improving efficiency and competitiveness in the global steel market.

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Strategic Context: Potential Sale Talks with Jindal Steel

Grimm’s departure coincides with ongoing discussions between Thyssenkrupp and Jindal Steel International regarding a potential sale of TKSE. Sources told Reuters that a delegation from the Indian steelmaker is preparing to step up due diligence on the business, signaling increased momentum toward a possible transaction.

The leadership transition places Jaroni at the forefront of the steel division as Thyssenkrupp navigates potential ownership changes, operational restructuring, and market challenges in Europe’s highly competitive steel sector.

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Marie Jaroni’s Background

Jaroni has accumulated years of experience within Thyssenkrupp Steel Europe, contributing to sales, operational transformation, and strategic planning. Her appointment reflects the company’s focus on continuity, operational efficiency, and execution of the ongoing industrial restructuring strategy.

Industry analysts note that Jaroni’s combination of commercial and transformation expertise positions her to lead TKSE through both internal restructuring and potential negotiations with external investors.

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Key Takeaways

• Marie Jaroni appointed CEO of Thyssenkrupp Steel, effective November 1, 2025.
• She succeeds Dennis Grimm, who oversaw key restructuring initiatives within TKSE.
• Thyssenkrupp is in advanced talks with Jindal Steel International over a potential sale of the steel division.
• Jaroni brings experience as chief sales officer and chief transformation officer, positioning her to manage ongoing operational and strategic changes.
• Leadership change occurs amid a critical phase for Thyssenkrupp Steel, including potential ownership transitions and industrial restructuring.