Board of Directors

The Board of Directors is responsible for the overall management and strategic direction of the Alpiq Group as well as for supervising the Executive Board. Members are elected at the Annual General Meeting. The Board of Directors currently consists of seven members.

Our Board of Directors at a glance

  • Johannes Teyssen
  • François Gabella
  • Ronald Trächsel
  • Adèle Thorens Goumaz
  • Jørgen Kildahl
  • Adrian Honegger
Johannes Teyssen
Johannes Teyssen Chairman -
Nationality:

German

Education:
  • Juris Doctor Degree from the Georg August University of Goettingen, Germany
  • Studied Law and Economics at the Universities of Freiburg and Goettingen, Germany
Professional background:
  • 2010 – 04/2021: CEO and Chairman of the Management Board of E.ON SE, Essen, Germany
  • 2007 – 2010: Chief Operating Officer and Deputy CEO, E.ON SE, Duesseldorf, Germany
  • 2003 – 2007: CEO, E.ON Energie Ltd. (European Division), Munich, Germany
  • 2001 – 2003: CFO, E.ON Energie Ltd., Munich, Germany
  • 1999 – 2001: CEO and Chairman of the Management Board, Avacon AG, Helmstedt, Germany
  • 1998 – 1999: Member of the Management Board, Braunschweigische Stromversorgungs AG (HASTRA), Hanover, Germany (1999: merged into Avacon)
  • 1994 – 1998: Head of Legal Affairs, later also Wholesale Services, PreussenElektra Ltd., Hanover, Germany
  • 1991 – 1994: Head of Energy and Corporate Law, PreussenElektra Ltd., Hanover, Germany
  • 1989 – 1991: Various positions in Legal Affairs, PreussenElektra Ltd., Hanover, Germany
Other mandates:
  • Non-executive director: BP plc, London, United Kingdom
  • Senior Advisor: KKR plc, New York, USA & London, United Kingdom
  • Director & Senior Advisor: Viridor plc, Taunton, United Kingdom
  • Partners Committee: Encavis AG, Hamburg, Germany
First elected to the Board of Directors:

2022

Specific role(s) on the Board of Directors:
  • Chairman of the Board of Directors
François Gabella
François Gabella Member of the Audit and Risk Committee - Deputy Chairman
Nationality:

Swiss

Education:
  • Master’s Degree in Microtechnics Engineering, École Polytechnique Fédérale de Lausanne (EPFL)
  • Master of Business Administration (MBA), IMD Lausanne
Professional background:
  • 2010 – 2018: LEM Holding inc., World Leader in Current Transducers, Chief Executive Officer
  • 2006 – 2010: Hexagon Metrology (Sweden), Member of the Metrology Executive Board and CEO of TESA SA in Switzerland
  • 2002 – 2005: AREVA T&D (France), previously Alstom T&D, Senior Vice President
  • 1999 – 2001: Texas Pacific Group (TPG), CEO of a portfolio company
  • 1993 – 1999: ABB T&D (Asea Brown Boveri), several positions from company President to Senior Vice President
Other mandates:
  • Director: LEM Holding SA, Meyrin; Sonceboz Group SA, Sonceboz-Sombeval
  • Vice-President: Switzerland Global Enterprise (S-GE), Zurich
  • Central Committee: Swissmem, Zurich
  • Committee Member: economiesuisse, Zurich
First elected to the Board of Directors:

2024

Specific role(s) on the Board of Directors:
  • Deputy Chairman of the Board of Directors
  • Member of the Audit and Risk Committee
Ronald Trächsel
Ronald Trächsel Chairman of the Nomination, Remuneration, Strategy and Sustainability Committee - Director
Nationality:

Swiss

Education:
  • University of Berne, lic.rer.pol. (Master of Business Administration)
Professional background:
  • 2014 – 06/2023: BKW AG, Berne, CFO
  • 2007 – 2014: Sika Ltd., Baar, CFO
  • 1999 – 2007: Vitra AG, Muttenz, CEO/CFO
  • 1992– 1999: Ringier Ltd., Zofingen, Head Internal Audit / CFO Ringier International
  • 1987 – 1992: Ciba-Geigy AG, Basel, Internal Audit
Other mandates:
  • Chairman: Wyss Seeds and Plants Ltd., Zuchwil, Zuchwil
  • Director: Valiant Bank AG, Berne; Création Baumann Ltd., Langenthal
First elected to the Board of Directors:

2023

Specific role(s) on the Board of Directors:
  • Member
  • Chairman of the Nomination, Remuneration, Strategy and Sustainability Committee
Adèle Thorens Goumaz
Adèle Thorens Goumaz Member of the Nomination, Remuneration, Strategy and Sustainability Committee - Director
Nationality:

Swiss

Education:
  • Fundamentals of the Board of Directors, ACAD, Lausanne
  • Management of non-profit organisations, Institute of Public Administration (IDHEAP), Lausanne
  • Adult trainer (FSEA 1), Centre romand d'enseignement à distance (CRED), Sierre
  • Environmental protection law, University of Fribourg
  • Environmental and sustainability policies, School of Public Administration (IDHEAP), Lausanne
  • Bachelor of Arts, Master of Philosophy, History and Political Science, University of Lausanne
Professional background:
  • Since 2024: Professor at University of Applied Sciences “School of Engineering and Management Vaud”, Yverdon
  • 2019 – 2023: Member of the Council of States, member of the Finance, Economy and Environment Committees, Chair of the Environment Committee from 01/2023 to 12/2023
  • 2007 – 2019: National Councillor, member of the Environment Committee and the Economy Committee
  • 2012 – 2016: Co-President of the Swiss Green Party
Other mandates:
  • Chairwoman: bio.inspecta AG, Frick
  • Director: SLSP Swiss Library Service Platform AG, Zurich
  • Member of the Advisory Board: Economic and Business Forum (Swiss Triple Impact), Geneva; EthiX - Lab für Innovationsethik, Zurich
First elected to the Board of Directors:

2024

Specific role(s) on the Board of Directors:
  • Member
  • Member of the Nomination, Remuneration, Strategy and Sustainability Committee
Jørgen Kildahl
Jørgen Kildahl Chairman of the Audit and Risk Committee - Director
Nationality:

Norwegian

Education:
  • Advanced Management Programme, Harvard Business School
  • Master of Business Administration in Finance (MBA), Norwegian School of Economics and Business Administration, NHH
  • Certified European Financial Analyst (CEFA)
  • Master of Science in Economics and Business Administration (M.Sc.), Norwegian School of Economics and Business Administration, NHH
Professional background:
  • 2010 – 2015: Board of Management Member, E.ON SE
  • 1999 – 2010: Executive Vice President, Statkraft AS
  • 1991 – 1999: Partner, Geelmuyden Kiese, PR Consulting Group
  • 1988 – 1991: Fund Manager, International Formuesforvaltning A/S
Other mandates:
  • Member of the Investment and ESG committees: Energy Infrastructure Partners AG (formerly Credit Suisse Energy Infrastructure Partners AG), Zurich
  • Chairman: SCATEC ASA, Oslo, Norway; Versiro AS, Trondheim, Norway; Karaldenuten Holdings AS, Langesund, Norway

     

First elected to the Board of Directors:

2019

Specific role(s) on the Board of Directors:
  • Member
  • Chairman of the Audit and Risk Committee
Adrian Honegger
Adrian Honegger Member of the Nomination, Remuneration, Strategy and Sustainability Committee - Director
Nationality:

Swiss

Education:
  • Postdoctoral fellow, biomedical physics, Karolinska Hospital, Stockholm, Sweden
  • Postdoctoral fellow, nuclear physics, University of Basel
  • PhD thesis, experimental nuclear physics, Newport News VA, USA & University of Basel
  • Diploma in physics, math & biology and as high school teacher, University of Basel
Professional background:
  • Since 2026: Helvetia Baloise Holding Ltd., Senior Consultant & Advisor (part-time)
  • Since 2023: Honegger Consulting, Digitalization & Transformation Expert, Executive Coach
  • Since 2023: FHNW: Part time Lecturer, Economics and digital Corporate Management
  • 2016 - 2025: Baloise Group, Basel, Chief Strategy and Innovation Officer (since October 2022), Head of Group Strategy and Digital Transformation
  • 2009 - 2016: Baloise Insurance Ltd, Basel, Co-Head of Informatics
  • 2006 - 2009: ETH Zurich, Center for Information Sciences and Databases of Systems Biology, Scientific Director
  • 2002 - 2006: Genedata Ltd (Bioinformatics), Basel, München, Boston & San Francisco, COO
  • 2000 - 2002: Gnothis Ltd, Stockholm & Lausanne, Site Manager & Project Manager
  • 1995 - 2000: Researcher, Jefferson National Accelerator, Newport News VA, USA; PSI Cyclotron, Villigen; Elektronen Mikrotron, Mainz, Germany
Other mandates:
  • Director: Baloise Participation Holding AG
First elected to the Board of Directors:

2026

Specific role(s) on the Board of Directors:
  • Member
  • Member of the Nomination, Remuneration, Strategy and Sustainability Committee  
Christian Plüss Member of the Audit and Risk Committee - Director
Nationality:

Swiss

Education:
  • Energy Innovation and Emerging Technologies, Certificate, Stanford University, USA
  • SKU Diploma in Advanced Management, ETH/HSG/London School of Economics (LSE)
  • Edinburgh Business School (UK), Diploma in Business Administration
  • Executive Development Programme, The University of Chicago, Graduate School of Business
  • PhD at ETH Zurich (Switzerland), thesis title: Energy balance over snow surface – point measurements and areal distribution. Visits to the Université de Grenoble and CIRES in Boulder, Colorado (USA). Awarded the degree of Dr. sc. ETH (PhD).
  • Studied geophysics at ETH Zurich, awarded a Dipl. natw. ETH (MSc) 
Professional background:
  • Since 2025: Die Schweizerische Post AG, Bern, Executive Board Member for Sustainability and Energy
  • 2018 – 2025: Die Schweizerische Post AG, Bern, Member of the Executive Board, Head of Mobility Services; Postbus Ltd, CEO
  • 2014 – 2018: Alpiq Ltd., Lausanne, Managing Director Hydro Power Generation
  • 2011 – 2013: Federal Department of Home Affairs, Federal Office of Meteorology and Climatology, MeteoSwiss, Zurich, Managing Director
  • 2005 – 2011: Erdgas Ostschweiz AG, Zurich (now: GANEOS AG), CEO
  • 2002 – 2005: Swiss Federal Railways SFR Ltd, Bern, Head of Product Management
  • 2000 – 2002: Cap Gemini Ernst & Young, Paris (Euronext: CAP), Managing Consultant
  • 1997 – 2000: Swiss Academy of Sciences, Bern, Secretary of the OcCC
  • 1990 – 2000: Suisseplan AG, Zurich, Project Manager, from 1996 Team Leader
Other mandates:
  • Director, Perlen Industrieholding AG, Perlen
  • Chairman, PowerUp Ltd, Zurich
  • Advisory Board, AI Now Ltd, Baar
  • Chairman, SVTI Services AG, Wallisellen
  • Chairman, Post Carbon Dioxide Removal (CDR) AG, Bern
  • Director, E-Post Ltd, Lucerne
  • Director, Gasunie Infrastructure Ltd, Zug
  • Chairman, Swiss Alpine Spirit AG, Scuol
  • Partner, MTE+ GmbH, Kerns
  • Chairman, Gravag Energie AG, St. Margrethen 
First elected to the Board of Directors:

2026

Specific role(s) on the Board of Directors:
  • Member
  • Member of the Audit and Risk Committee