Executive Board


Klaus Mader
Chief Executive Officer, CEO
Klaus Mader has been appointed Chairman of the Executive Board as of 1 January 2024 and was previously the Chief Financial Officer of the Group. He has been a member of the Executive Board since October 2015. Prior to joining SBO, Klaus was the Executive Vice President Finance & Administration of TYROLIT Group for over 10 years. Before that he gained significant experience at renowned companies, including Wienerberger Baustoffindustrie AG.
Klaus holds a master’s degree in business administration from Vienna University of Economics and Business.
He is responsible for Strategy, Public Relations / Investor Relations, ESG & Sustainability, Compliance, Finance and Accounting, Human Resources, Legal Matters and Digitalization.


Campbell MacPherson
Chief Operating Officer, COO
Campbell MacPherson was appointed to the Executive Board for the first time as Chief Operating Officer (COO) as of 1 January 2024. He has been with SBO for over 15 years, most recently serving as the Executive Vice President of the Advanced Manufacturing & Services division. In his time with SBO, Campbell has served in critical roles including Managing Director of SBO’s subsidiaries in the UK, Vietnam for which he led the setup and the Middle East. He also held executive positions in Forth Tool & Valve Ltd. (now Proclad), Havelock Europe and the CEO role for Premier Hytemp.
Campbell holds a Bachelor of Engineering in Naval Architecture & Offshore Engineering from the University of Strathclyde, Glasgow.
He is responsible for Production, Supply Chain Management, Sales and Marketing, Product and Market Strategy, R&D and Innovation Management.
Supervisory Board


Norbert Zimmermann
Chairman of the Supervisory Board (independent member)
Norbert Zimmerman is a renowned Austrian entrepreneur and has been a member of the SBO Supervisory Board since 1995. He has gained extensive management experience at companies such as Spar AG and Berndorf AG and held various Executive Board and Supervisory Board positions in the Berndorf Group, including Chairman of the Supervisory Boards at Berndorf AG and Berndorf Industrieholding AG (to date). In addition to his role at SBO, Norbert Zimmermann is actively involved in various foundations.
End of current term of office: 2027


Brigitte Ederer
Deputy Chairwoman of the Supervisory Board (independent member)
Brigitte Ederer was first elected to the SBO Supervisory Board in 2014. She was active in politics for many years in various roles, including serving as Austria’s State Secretary for European Affairs. From 2000 onwards, she held executive positions within the Siemens Group in Austria and Germany. Brigitte Ederer also holds supervisory board mandates at major companies such as ÖBB Holding AG, Marinomed Biotech AG, ams-OSRAM AG, TTTech Computertechnik AG or WEB Windenergie AG.
End of current term of office: 2025


Simon Eyers
Member of the Supervisory Board (independent member)
Simon WC Eyers has been a member of the SBO Supervisory Board since 2024. He has worked as a manager in technology companies and investment banks such as Goldman Sachs. He was a founding partner of 4D Global Energy Advisors, a partner and advisor at Warburg Pincus International, and Chairman of Evrythng. Simon Eyers also holds supervisory board mandates in international companies, such as Technip Energies.
End of current term of office: 2028


Wolfram Littich
Member of the Supervisory Board (independent member)
Wolfram Littich has been a member of the SBO Supervisory Board since 2016. He has held various leadership positions in the banking and insurance sectors, including serving on the Executive Board of the Vienna Stock Exchange and Bank Austria. From 2001 to 2017, he was CEO of Allianz Elementar. In addition to his role at SBO, he is a member of various supervisory boards within the Berndorf Group.
End of current term of office: 2026


Sonja Zimmermann
Member of the Supervisory Board (independent member)
Sonja Zimmermann has been a member of the SBO Supervisory Board since 2018. She holds various executive and supervisory board positions within the Berndorf Group, including Chairwoman of the Supervisory Board at Berndorf AG and a member of the Executive Board of Berndorf Industrieholding AG. As a board member of the Berndorf Private Foundation, she is committed to education, culture, and social projects. Sonja Zimmermann furthermore holds a supervisory board mandate Bank für Tirol und Vorarlberg AG.
End of current term of office: 2028

Corporate Governance
Since 2005, SBO has been committed to the Austrian Corporate Governance Code and consistently implemented its rules. Our solid governance framework meets international standards and underlines our commitment to qualified, sustainable management and control processes. Our goal is to continuously increase transparency and investor confidence.