Who is assuming the role of interim CEO at Evonik, and what is the reason for this leadership change?

Claus Rettig, who currently heads Evonik’s Asian business, is assuming the duties of CEO ad interim following Christian Kullmann’s ‘recent serious, unplanned’ surgery; Kullmann is recovering and expected to resume his duties after rehabilitation, according to supervisory board chairman Bernd Toenjes.

What additional executive responsibilities has Claus Rettig been given effective September 1, and how does this affect his current role?

Effective September 1, Claus Rettig has been appointed to Evonik’s executive board and named deputy chairman of the supervisory board; he will continue to lead the company’s Asia operations while serving as interim CEO, maintaining both roles ‘until further notice’ as confirmed by Evonik.

Evonik names Claus Rettig interim CEO

Aug 27, 2026

Evonik Industries AG appointed Claus Rettig as interim CEO while current leader Christian Kullmann recovers from surgery. Rettig joins the executive board effective September 1st and retains responsibility for Asia.

chemweek

2026-08-27

Evonik names Claus Rettig interim CEO

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