Executive Board

Alfred Stern, born 1965

Date of initial appointment: April 1, 2021
End of the current period of tenure: August 31, 2026On May 20, 2025, Alfred Stern notified the Chairman of the Supervisory Board that he will not be available for another Executive Board mandate.
Chairman of the Executive Board and Chief Executive Officer

Alfred Stern has been Chairman of the Executive Board and Chief Executive Officer of OMV Aktiengesellschaft since September 2021. Prior to joining OMV Aktiengesellschaft in April 2021 as Board member for the Chemicals & Materials segment, he had been CEO of Borealis since July 2018. During his 14 years at Borealis, Alfred Stern held a series of other executive positions, and before his appointment as CEO of Borealis, he was Board member for the Polyolefins and Innovation & Technology divisions. He started his career at DuPont de Nemours, which led to extensive international experience in Switzerland, Germany, and the US across the spectrum of Research and Development, Sales and Marketing, and Quality and Business Management.

Alfred Stern studied at the Technical University of Leoben in Austria. He holds a PhD in Material Science and a Master’s in Polymer Engineering and Science.

Reinhard Florey, born 1965

Date of initial appointment: July 1, 2016
End of the current period of tenure: June 30, 2027
Chief Financial Officer

Reinhard Florey graduated in mechanical engineering and economics from Graz University of Technology as well as completing music studies at the University of Music and Performing Arts Graz. He started his career in corporate and strategy consulting.

From 2002 to 2012, he worked in various positions worldwide for thyssenkrupp Steel. Prior to his appointment to the Executive Board of OMV his most recent post was as Chief Financial Officer and deputy Chief Executive Officer of Outukumpu Oyj.

Martijn van Koten, born 1970

Date of initial appointment: July 1, 2021
End of the current period of tenure: June 30, 2031
Executive Board member for the Fuels segment and, in the interim, for the Chemicals business segment, effective March 1, 2025

Martijn van Koten was born in the Netherlands, where he studied chemical engineering at Delft University of Technology.

He began his professional career at Shell in 1994, taking on several management and technical positions in the refining and downstream business in the UK, Germany, and the Netherlands. Starting 2004, Martijn van Koten assumed the General Manager positions at the Shell production facilities in Sweden and Singapore, before becoming Vice President Manufacturing East & Middle East in Singapore in 2009 and Vice President Supply & Distribution Americas in the USA in 2013.

Also in 2013, Martijn van Koten joined Borealis in Austria as Executive Board member for Operations, HSE & PTS. From 2018 to June 2021, he was the Borealis Executive Board member for the Base Chemicals & Operations business segment.

Berislav Gaso, born 1974

Date of initial appointment: March 1, 2023
End of the current period of tenure: February 29, 2028
Executive Board member for the Energy business segment.

Berislav Gaso holds a Master’s degree in Mechanical Engineering from the Technical University of Munich, Germany, and a PhD in Business Administration from the University of St. Gallen, Switzerland. After working as a junior partner at McKinsey & Company, he held various management positions in the MOL Group. Before he joined OMV, he was Executive Vice President in charge of the MOL Group’s Exploration & Production division.

Daniela Vlad, born 1970

Date of initial appointment: February 1, 2023
Daniela Vlad resigned from her position as Executive Board member for the Chemicals business segment as of February 28, 2025.

Romanian-born Daniela Vlad holds a Master’s degree in Chemical Engineering from the Technical University of Timișoara in Romania and a cum laude Master’s in Business Administration from Twente University in the Netherlands. Following her studies, she held management positions at Shell and Philips, and most recently was responsible for key global businesses at AkzoNobel, including Powder Coatings and Industrial Coatings.

Thanks to her many years of international experience in the chemicals industry and in leading strategic transformations, Daniela Vlad combines chemical and financial know-how with expertise in the field of sustainable technical solutions.

Working Practices of the Executive Board

The approval requirements, responsibilities of individual Executive Board members, decision-making procedures, and the approach to conflicts of interest are governed by the Internal Rules of the Executive Board. The Executive Board generally holds meetings on a bi-weekly basis to exchange information and issue decisions on all matters requiring plenary approval.