Executive Board and Supervisory Board – where everything comes together

BEOS AG is headed by a diverse team of experienced professionals who think ahead and jointly drive the company’s continuous growth under the umbrella of Swiss Life Asset Managers Germany while actively helping to shape the BEOSphere. The Executive Board is primarily composed of long-standing BEOS employees focusing on a wide range of specialist areas.

Executive Board

The Executive Board is mainly made up of long-standing BEOS employees with a wide range of specialisations. Speaker of the Executive Board Hendrik Staiger has been working for BEOS since 2005, board member Jan Plückhahn since 2003, and they have been part of the board since 2016. With the appointment of Christina Schädler to the Executive Board in 2022, the areas of Property Management, Research and Risk Management will also be united in one person at Board level for the first time. At the start of 2024, Matthias Schmidt will also be appointed to the Executive Board of BEOS AG. In addition to the Hamburg and Berlin locations, he will be responsible for the areas of Construction, TAM (Technical Asset Management) and Development.

Executive Board

Hendrik Staiger has been Spokesman of the Executive Board of BEOS AG since 2023 and is responsible for the areas of Development, Construction, Technical Asset Management, ESG, Marketing, Communications, Corporate Solutions, Legal, Compliance and Digital Solutions as well as the BEOS office in Frankfurt. He also heads the Center of Competence Industrial & Logistics, as which BEOS AG functions within Swiss Life Asset Managers.


Staiger studied physics at the Technical University of Berlin and worked in research until 1997. He then worked in project development for nine years, six of which as managing partner of LINIE Projektmanagement GmbH & Co. KG, whose focus was on the development and refurbishment of high-quality commercial properties in Berlin.


From 2005 until his appointment to the BEOS Executive Board in 2016, Hendrik Staiger was Head of Acquisition at BEOS AG. From 2019 to 2023, he was also Head Industrial & Logistics at Swiss Life Asset Managers Germany and a member of the Management Team. He has been Managing Director of Climatch GmbH since 2023.


Staiger is Chairman of the Board of crenet Deutschland e. V. and regularly lectures at the University of Wuppertal, IREBS, DVFA and HTW Berlin.

Jan Plückhahn has been a member of the Executive Board of BEOS AG since 2016 and is responsible for Transactions, Portfolio Management, Finance, Capital Markets and the North Region, which includes the BEOS offices in Berlin and Hamburg.


He joined BEOS AG in 2003 and has worked in various divisions and held numerous roles, including as head of the Hamburg office between 2010 and 2015. Jan Plückhahn holds a degree in architecture and a Master’s of Science in Real Estate Management (REM) from TU Berlin. He is also a lecturer at IREBS Real Estate Academy.


Since 2019, Jan Plückhahn has also been a member of the Investment Committee Real Estate (ICRE) at Swiss Life Asset Managers, and since July 2022 he has been Co-Chair of Real Estate Transactions at Swiss Life Asset Managers.


In July 2023, he will also assume the role of Head Real Estate at Swiss Life Asset Managers in Germany, where he is part of the German management team.

Christina Schädler has been a member of the BEOS AG Executive Board since September 2022 and is responsible for Property Management, Research and Risk Management as well as the BEOS locations in Munich, Stuttgart and Cologne.


She has been with BEOS since 2020, most recently as head of the BEOS location in Munich from June 2020 to August 2022. Before the real estate economist and certified controller joined BEOS, she spent six years as an asset manager and project controller at Bayern Projekt GmbH, where she was responsible for major projects such as Bavaria Towers and the Olympia Business Center. Prior to that, Christina Schädler held a wide variety of positions in the project development and investment sector in Munich and London.

Matthias Schmidt has been a member of the Executive Board of BEOS AG since the beginning of 2024. He is responsible for development and construction as well as technical asset management. He is also responsible for the Berlin and Hamburg locations at Management Board level.


Schmidt knows the capital’s real estate market inside out and can also look back on more than 15 years of experience in the development sector. He was initially responsible for the realization of various project developments as project manager at CA Immo Deutschland GmbH from 2008 to 2013, before becoming head of project development for the Berlin, Frankfurt and Dusseldorf locations and finally, from 2018, managing director responsible for all project developments in Germany.

Supervisory Board

Company founder Prof. Stephan Bone-Winkel continues to remain active for BEOS AG and together with Holger Matheis (CEO of Swiss Life Asset Managers Germany and former speaker of the BEOS Executive Board) and Stefan Mächler (member of the Corporate Executive Board of the Swiss Life Group) forms the company’s Supervisory Board.

After studying architecture at the University of Kaiserslautern, Holger Matheis gained his first professional experience in various architectural companies. In 2003, he also completed his studies in Real Estate Economics at the European Business School.


He joined BEOS AG, which is part of Swiss Life Asset Managers in 2006, first as head of the Hamburg office, then for the Cologne and Berlin offices. After ten years with the company, he was appointed to the Executive Board, where he was mainly responsible for the areas of project development and construction management, human resources, legal, marketing and communication, compliance and business transformation, as well as the BEOS location in Frankfurt am Main. In 2021, Holger Matheis also assumed the role of Spokesman of the Executive Board.


He headed the working group of the alumni network IMMOEBS e.V. in Hamburg for two years and was a member of the Executive Board from 2009 to 2015. Since 2022, he has been member of the Executive Board for the Eastern Region of ZIA (German Property Federation). He is also a Fellow of the Royal Institution of Chartered Surveyors (FRICS) and lectures at several universities, including the IREBS Real Estate Academy.


He has been CEO of Swiss Life Asset Managers in Germany and a member of the Swiss Life Asset Managers Executive Committee in this capacity since 1 July 2023. He also moved to the Supervisory Board of BEOS AG on 1 July 2023, where he holds the position of Chairman.

Professor Stephan Bone-Winkel (1965) is the founder of BEOS AG and serves as a Member of the Supervisory Board. He is also Managing Partner of BEOS Beteiligungs-GmbH & Co. KG and CEOS Investment GmbH.


He studied Business Administration at the University of Cologne and the École des Hautes Études Commerciales (HEC) in Paris. After his studies he initially developed retail real estate for his family, before serving as a research associate under Karl-Werner Schulte at the European Business School (EBS) in 1990, where he was among the first cohort to graduate from the school’s Real Estate Economics programme. From 1993 to 1995, he was responsible for establishing the EBS Real Estate Academy in Berlin as its Managing Director, and from 1995 to 1997 he was a property developer in Berlin for Deutsche Bank AG. He then founded BEOS at the end of 1997, together with two partners.


In 2003, Prof. Bone-Winkel was appointed to the Endowed Chair for Real Estate Development at the European Business School.


In 2006 he became Honorary Professor for Real Estate Development at the University of Regensburg (IREBS). Stephan Bone-Winkel has written and edited a host of publications on the subjects of real estate development, investment and asset management.


He is a founding member of the Society for Property Researchers, Germany (gif) and the EBS alumni association IMMOEBS e.V. He is also the co-editor of the ZIÖ German Journal of Real Estate Research and “Schriften zu Immobilienökonomie und Immobilienrecht” of IREBS. He is an active member of numerous committees and associations, including the ZIA German Property Federation’s Scientific Advisory Board, the Executive Committee of ULI Germany and the Advisory Board of EXPO REAL.


In 2014 he received the ULI Leadership Award in the Real Estate Industry category. Together with Ingo Holz, he was recognised as one of the “Leading Minds of the Real Estate Industry” by the trade magazine Immobilienmanager in 2015.

Stefan Mächler is a member of the Supervisory Board of BEOS AG. Since September 2014, he has been Group CIO and member of the Corporate Executive Board of the Swiss Life Group and of the Executive Board of Swiss Life Asset Managers.


After graduating in law from the University of St. Gallen, Stefan Mächler worked for Credit Suisse Group for 18 years in the fields of capital markets and asset management. After nine years abroad, which included various positions in Tokyo, Osaka, Seoul and Frankfurt, he returned to Switzerland in early 1999 as Managing Director of Sales & Marketing Europe and Switzerland for Credit Suisse Asset Management. At the same time, he was the driving force behind the foundation of the listed real estate company Swiss Prime Site AG, of which he was Chairman of the Board of Directors until 2005. He spent 2005 to 2009 with Deutsche Bank, where he was initially responsible for Family Offices in Switzerland, before taking over as CEO of Privatbank Rüd, Blass & Cie AG for the last two years. From 2009 to 2014, Stefan Mächler was Head of Asset Management at Swiss Mobiliar as a member of Group Management and Chief Investment Officer.

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