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Executive Board

The Executive Board of Investis Holding SA consists as of 1 January 2020 of the following three members:

Walter Eberle (Head Real Estate Services), Stéphane Bonvin (CEO), René Häsler (CFO)

The Executive Board is responsible for the operational management of the Investis Group and represents the Group publicly. The Executive Board corresponds to the “executive management” pursuant to the Swiss Ordinance Against Excessive Compensation in Listed Companies (Ordinance). 


Year of birth



Member since

Stéphane Bonvin




1994 *)

René Häsler





Walter Eberle



Head Real Estate Services


*) Stéphane Bonvin was the sole shareholder of Investis Investments SA from 1994 until its shares were contributed to Investis Holding SA. Thereafter, he was the sole shareholder of Investis Holding SA until its listing on 30 June 2016.

Stéphane Bonvin

Member of the Executive Board and of the Board of Directors

Stéphane Bonvin founded Investis in 1994. Since then, he has been CEO of the Investis Group and has headed its Properties division. With over 30 years of experience in the real estate sector, Stéphane Bonvin’s extensive network of contacts and wide-ranging knowledge of the property market have enabled the gradual expansion of the Group’s portfolio. He acquired various real estate service companies between 2010 and 2014 in the fields of property management and facility management. In 2006 he co-founded the Patrimonium Group, which he served as Managing Director until 2015; he still is a member of the Supervisory Board.

Current positions held outside the Investis Group: Stéphane Bonvin has been a member of the Supervisory Board of Patrimonium and its subsidiaries since 2006 and of Be Capital and its subsidiaries since 2015.

René Häsler

Member of the Executive Board

Swiss Certified Public Accountant and Swiss Certified Expert for Accounting and Controlling

René Häsler has been the CFO of the Investis Group and a member of its Executive Board since 2015. Prior to this he was Head of Corporate Controlling and Senior Vice-President at Kuoni Travel Holding Ltd for 17 years (1998–2015).

After the successful completion of his training as a Swiss Certified Expert for Accounting and Controlling, and as a Swiss Certified Public Accountant, René Häsler brought his extensive financial expertise to bear as a Senior Manager in the Auditing department of KPMG in Zurich (1988–1998). Prior to this, he held various financial positions at Fides Treuhandgesellschaft in Geneva (1985–1988) and at Bank Leu in Zurich (1981–1984).


Head Real Estate Services 
Member of the Executive Board

Walter Eberle was Head of the Facility Services activity until 31 December 2019. As of 1 January 2020 he became Head Real Estate Services, leading the Property Management as well as the Facility Services activities. He has been a member of the Executive Board of the Investis Group since April 2017.

He was CEO of hauswartprofis AG between 2009 and 2019, a subsidiary of Investis since 1 January 2017. Between 2009 and 2016, he professionally and successfully ran and owned Hauswartprofis. He has extensive experience and expertise in facility management.
Prior to this, he was Managing Director of investment company Robinvest AG (2008–2009). Between 2004 and 2007, he was the Secretary General of the Federal Department of Justice and Police in Berne, after having served as general secretary for the EMS Group between 1991 and 2003. He began his career with vocational training in book printing, which he followed up with a range of additional training courses.

Other activities and functions

All details of other activities and any further functions of Executive Board members are provided above or on the Company website.

No member of the Executive Board holds any official function or political office.

Regulation and additional positions

According to Article 23 of the Articles of Association, no member of the Executive Board may hold more than five mandates outside the Investis Group, of which no more than three may be for listed companies. All mandates must be approved by the Board of Directors. The Articles of Association, containing the precise wording of the provision mentioned above, can be found on the Investis website.

These limitations do not apply to the following:

  • mandates within companies controlled by Investis or which control Investis;
  • mandates performed by a member of the Board of Directors or the Executive Board on instruction of Investis (no member of the Board of Directors or the Executive Board may perform more than ten such mandates); and
  • mandates in associations, charitable foundations and pension schemes (no member of the Board of Directors or the Executive Board may hold more than ten such mandates).

Mandates as referred to herein are functions in the most senior management and administrative bodies of legal entities required to be entered in the Swiss commercial register or an equivalent foreign register. Mandates in different legal entities under joint control or with the same beneficial ownership are treated as one mandate.

Management contracts

Investis Holding SA and its Group subsidiaries have not concluded any management contracts with any third parties.