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Board of Directors

The Members of the Board of Directors are responsible for strategic management of Implenia and oversight of the Implenia Executive Committee.

Questions to the Board of Directors

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Hans Ulrich Meister

Member and Chairman of the Board of Directors

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Hans Ulrich Meister
Member¹ and Chairman of the Board of Directors

Personal data

  • Born 1959
  • Swiss citizen

Position

  • Non executive/independent

Education

  • Advanced Management Program, Harvard Business School
  • Advanced Management Program, Wharton School
  • Business degree, Zurich University of Applied Sciences

Professional Experience

  • 2008—2015
    Member of management of Credit Suisse Group AG and Credit Suisse AG
  • 2012—2015
    Head of the Private Banking & Wealth Management Division, responsible for the Private Banking business in EMEA and Asia Pacific
  • 2011—2012
    CEO of the Private Banking Division at Credit Suisse
  • 2008—2015
    CEO of Credit Suisse, Switzerland Region
  • 2005—2007
    Head of Private and Corporate Customers Switzerland at UBS
  • 2004—2007
    Member of the Managing Board of UBS Group
  • 2003—2004
    Head of Large Corporates & Multinationals at UBS
  • 2002
    Wealth Management of UBS, New York

Additional memberships on boards of directors

  • Ina Invest Ltd (Member of the Board of Directors and Chairman of the Audit Committee) - listed

1 Since March 2016

 

Henner Mahlstedt

Member and Vice Chairman of the Board of Directors and member of the Audit Committee

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Henner Mahlstedt
Member¹ and Vice-Chairman of the Board of Directors and member of the Audit Committee

Personal data

  • Born 1953
  • German citizen

Position

  • Non executive/independent

Education

  • Civil engineering, Braunschweig Technical University

Professional Experience

  • Since 2012
    Managing shareholder of Mahlstedt Consultants GbR
  • 2007—2012
    Member of the Global Executive Committee of Hochtief AG
  • 2010—2012
    Chairman of the Executive Board of Hochtief Solutions AG
  • 2007—2010
    Chairman of the Executive Board of Hochtief Construction AG
  • 2005—2007
    Member of the Executive Board of Hochtief Construction AG
  • 2003—2005
    Division Head for the new German federal states at Hochtief Construction AG
  • 2001—2003
    Chairman of the Management of Pegel & Sohn GmbH
  • 1997—2001
    Member of the Executive Board of Strabag Hoch- und Ingenieurbau AG
  • 1980—1997
    Various positions within Strabag Hoch- und Ingenieurbau AG

Additional functions and offices

  • Member of the Advisory Board of Huesker Synthetic GmbH
  • Member of the Board of Trustees of Diakonie Kaiserswerth

1 Since March 2015

 

Judith Bischof

Member of the Board of Directors and member of the Audit Committee

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Judith Bischof
Member¹ of the Board of Directors and member of the Audit Committeeof the Nomination

Personal data

  • Born 1974
  • Swiss citizen

Position

  • Non executive/independent

Education

  • Attorney-at-law
  • Dr.iur., University of Zurich
  • Executive MBA HSG, University of St. Gall
  • Master of International Business and Law from the University of Sydney

Professional Experience

  • Since 2022
    General Counsel and member of the Executive Leadership Team of Clariant Ltd
  • 2018 - 2022
    General Counsel and member of the Executive Committee as well as Secretary to the Board of Directors of RUAG International Holding Ltd
  • 2011 – 2017
    General Counsel and Member of the Executive Committee of Ascom Holding Ltd
  • 2005 – 2011
    Attorney-at law, Lenz & Staehelin
  • 2002 – 2004
    Law clerk, Bezirksgericht Zurich

¹ Since March 2022

 

Raymond Cron

Member of the Board of Directors and member of the Nomination and Compensation Committee

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Raymond Cron
Member¹ of the Board of Directors and member of the Nomination and Compensation Committee

Personal data

  • Born 1959
  • Swiss citizen

Position

  • Non-executive / independent

Education

  • Degree in civil engineering, ETH Zurich
  • Postgraduate degree in technical management from BWI ETH Zurich

Professional Experience

  • Since 2015
    Managing Director and Owner of CMC Cron Management Consult AG
  • 2015 – 2024
    Managing Director of the foundation Switzerland Innovation
  • 2013 – 2015
    Head of Realisation and member of the Group Executive Board, Allreal Generalunternehmung AG
  • 2008 – 2013
    COO and member of the Executive Committee, Orascom Development Holding Ltd
  • 2004 – 2008
    Director of the Federal of Civil Aviation
  • 1989 – 2004
    Division manager and member of the Group Executive Board, BATIGROUP Holding Ltd

Additional memberships on boards of directors

  • St. Clara AG (Chairman of the Board of Directors)
  • University Center for Dental Medicine Basel (UZB) (Chairman of the Board of Directors)
  • Basel-Mulhouse Airport (Vice-Chairman of the Board of Directors)
  • Spitäler Schaffhausen (Chairman of the Hospital Board)
  • Central Real Estate Holding AG (Member of the Board of Directors)
  • Rhystadt AG (Member of the Board of Directors)

Additional functions and offices

  • Albert Lück Foundation (Chair of the Board of Trustees)

¹ Since 2023

 

 

Kyrre Olaf Johansen

Member of the Board of Directors and Chairman of the Nomination and Compensation Committee

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Kyrre Olaf Johansen
Member¹ of the Board of Directors and Chair of the Nomination and Compensation Committee

Personal data

  • Born 1962
  • Norwegian citizen

Position

  • Non executive/independent

Education

  • Business Candidate, BI Norwegian Business School
  • MSc Civil Engineer, NTNU Trondheim

Professional Experience

  • since 2013
    CEO of Norsk Mineral AS
  • 2008—2012
    CEO of Entra Eiendom ASA
  • 2003—2008
    CEO of Mesta AS
  • 2000—2003
    CEO of the Road Construction Division of NCC Industri
  • 1999—2003
    Region Head of NCC in Norway
  • 1991—1998
    Various leadership positions for construction work at ABB Power Generation AG
  • 1986—1991
    Engineering consultant

¹ Since March 2016

 

Barbara Lambert

Member of the Board of Directors and Chairwoman of the Audit Committee

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Barbara Lambert
Member¹ of the Board of Directors and Chair of the Audit Committee

Personal data

  • Born 1962
  • Swiss and German citizen

Position

  • Non-executive / independent
  • Finance and Audit Expert 

Education

  • Degree in Economics, University of Geneva
  • Certified Public Accountant
  • Banker

Professional Experience

  • 2008—2018  
    Member of the Management Committee and Group Chief Risk Officer at Banque Pictet & Cie S.A.
  • 2002—2007
    Partner at Ernst & Young, Head of Banking and Insurance Auditing
  • 1987—2002
    Partner at Arthur Andersen, Switzerland

Additional memberships on boards of directors

  • UBS Switzerland AG (Member of the Board of Directors, Chair of the Risk Committee and Member of the Audit Committee)
  • Deutsche Börse AG (Member of the Supervisory Board, Chair of the Audit Committee, Member of the Risk Committee and Member of the Nomination Committee) – listed
  • Merck KGaA (Member of the Supervisory Board and Chair of the Audit Committee) – listed

Additional functions and offices

  • Member of the Advisory Board of the Geneva School of Economics and Management

¹ Since March 2019

 

Marie-Noëlle Zen-Ruffinen

Marie-Noëlle Zen-Ruffinen

Member of the Board of Directors and Chairwoman of the Nomination and Compensation Committee

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Marie-Noëlle Zen-Ruffinen
Member¹ of the Board of Directors and Chairwoman of the Nomination and Compensation Committee

Personal data

  • Born 1975
  • Swiss citizen

Position

  • Non-executive / independent

Education

  • Dr. iur., University of Fribourg
  • Lic.iur., University of Fribourg
  • Lic.phil., University of Fribourg
  • Attorney at law
  • Finance for Senior Executives, Harvard Business School
  • ESG Leading Sustainable Corporations Program, Oxford Saïd Business School

Professional career

  • Since 2025
    Of Counsel, Des Goutts & Associés
  • Since 2009
    Adjunct Professor at the Faculty of Economics and Management of the University of Geneva
  • 2008 - 2025
    Partner and subsequently Of Counsel (from 2013), Niederer Kraft Frey (from 2023) and previously Tavernier Tschanz (until 2022)

Other board memberships

  • Baloise Holding AG (member of the Board of Directors, member of the Strategy and Governance Committee and member of the Audit Committee) - listed company
  • Banco Santander International SA (Vice-Chairwoman of the Board of Directors, member of the Audit and Risk Committee and member of the Remuneration Committee)

Other functions and offices

  • Vice-Chairwoman of the Board of Trustees of the Swiss Board Institute
  • Member of the Board of Directors of the Swiss Institute of Directors Association
  • Member of the Board of Trustees of the Foundation for Accounting and Reporting Recommendations FER
  • Member of the Swipra Panel of Experts

¹ Since March 2025

 

Nomination and Remuneration Committee

  • Marie-Noëlle Zen-Ruffinen, Chairman
  • Raymond Cron, Member
  • Kyrre Olaf Johansen, Member


Audit Committee

  • Barbara Lambert, Chairman
  • Judith Bischof, Member
  • Henner Mahlstedt, Member

Questions to the Board of Directors

About Implenia

Vision, mission, values, strategy

Vision, mission, values, strategy

As a leading multinational construction and real estate service provider, Implenia has set a clear direction and its employees stand together for the company's values.

Corporate Governance

Corporate Governance

Implenia is committed to a form of corporate governance that impresses through transparency and a sense of responsibility. Good corporate governance is indispensable for Implenia.

History of Implenia

History of Implenia

Created in 2006 from the merger of Zschokke and Batigroup, Implenia can look back on around 150 years of construction tradition.

A career with Implenia

A career with Implenia

At Implenia, you will write history together with us. Building on a foundation of tradition and many years of experience, you will develop a vision of tomorrow's world with us.

Organisation

Organisation

Our strategy encompasses activities in three businesses that complement each other and benefit from synergies between geographic markets. 

Purchasing

Purchasing

Procurement is responsible for all of the group's purchasing and is present both locally in the various countries and on large construction sites, as well as being networked throughout Europe.

Engagement

Engagement

Implenia is Switzerland's leading construction and real estate services provider, and as a company it also contributes to sustainable development outside of its projects.