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Daniel Turnheim appointed Borealis CFO as of 1 June 2023, succeeding Mark Tonkens

Photo: Daniel Turnheim appointed Borealis CFO as of 1 June 2023


Mark Tonkens to leave Borealis Executive Board by mutual agreement effective 31 May 2023, Daniel Turnheim appointed as Borealis CFO effective 1 June 2023

The Supervisory Board of Borealis has appointed Daniel Turnheim (48) as the new Chief Financial Officer with effect from 1 June 2023. The appointment spans a three-year period, with the option to extend by two years, subject to mutual consent. Mark J. S. Tonkens, currently Chief Financial Officer at Borealis, will leave the Borealis Executive Board by mutual agreement effective 31 May 2023.

Daniel Turnheim looks back at a long-standing career in OMV Group. After joining the company in 2002, he held various senior management functions in OMV Finance, including Head of Controlling at OMV UK in London, United Kingdom and a two-year assignment to Petrol Ofisi in Istanbul, Turkey. From 2011 to 2012, Daniel held the role of Chief Financial Officer at OMV Petrom in Bucharest, Romania. He is currently Senior Vice President Finance & Tax at OMV AG.

Daniel Turnheim holds a Master’s degree from the Vienna University of Economics and Business in Vienna, Austria. He is Austrian citizen, married and proud father of four children.

“I am delighted we bring such an extraordinarily experienced Finance expert like Daniel Turnheim onboard of the Borealis Executive Board. I warmly welcome Daniel and look forward to working closely with him on realizing our Borealis Strategy 2030. At the same time, I would like to express my sincere appreciation on behalf of the entire Borealis Executive Board for the outstanding contribution Mark Tonkens has made over the past 8 years as CFO of Borealis. It has been a pleasure working with Mark, I wish him much success for his future,” comments Thomas Gangl, Borealis CEO.

This media release is also available in German language.


Media contacts:

Borealis Group Media Desk
Virginia Wieser, Lena Lehner, Karin Schober
Tel: +43 1 22 400 899 (Vienna, Austria)

Photo: Daniel Turnheim appointed Borealis CFO as of 1 June 2023


Photo: Daniel Turnheim appointed Borealis CFO as of 1 June 2023 © OMV
Media Contact
Group Media Desk
+43 1 22 400 899 (Vienna, Austria)

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