Biographical details of members of the Supervisory Board

Mr D.G. (Doede) Vierstra (chair of the Supervisory Board from 1 February 2020)


Doede Vierstra (b. 1958) is a director on behalf of the Netherlands Enterprise Court at the Amsterdam Court of Appeal, member of the Supervisory Board of PGGM, member of the board of Stichting Nyenrode, chair of the Supervisory Board of NGF Geleidehonden and member of the Supervisory Board of Leiden University Medical Centre (LUMC). He acquired his ample experience with stakeholders, including public shareholders, in his work as CFO at Nuon as well as in other positions. In the past, he was chair of the WENB (Energy and Utility Companies Employers’ Association). He is familiar, therefore, with the challenges that Stedin Group faces in connection with the energy transition.

Ms H.L. (Hanne) Buis, LLM


Hanne Buis (b. 1976) has completed two degree programmes at Erasmus University Rotterdam: Health Policy & Management and Law. She served as COO of Schiphol Group until 1 February 2023. Prior to that she was Chief Projects & Assets Officer and member of the Management Board of Schiphol Group and CEO of Lelystad Airport, part of Royal Schiphol Group. Before joining Lelystad Airport, she held various positions at Amsterdam Airport Schiphol, where she managed complex operational processes. She has been a member of the Supervisory Board of the Netherlands Bach Society since 1 July 2022. Her other positions include that of member of the Board of the University Council of Erasmus University, and Secretary of STAK W. Th. Zandstra Beheer B.V.

Mr T.W. (Theo) Eysink, RA


Theo Eysink (b. 1966) started his career at Arthur Andersen, after which he served in financial roles at KLM Catering, Spui Group and Electrabel between 1996 and 2006. From 2006 to 2010, he was VP Finance at Bombardier Transportation Holding, before being appointed CFO at Stork Technical Services in 2010. At present, Theo is CFO of the Business Market division of KPN. He is a sound financial leader with experience of a range of sectors. In addition, particularly in his more recent years at KPN, he acquired extensive experience with new business models. Theo is also a member of the Supervisory Board of Vesteda Investment Management B.V.

Mr A.P.G. (Arco) Groothedde


Arco Groothedde (b. 1964) is an independent consultant and interim manager. Until 1 November 2022 he served as Environment and Planning Act Digital System Operations Director. Prior to that, he was CEO at Translink Systems, member of the Executive Board of the Land Registry Office (Kadaster) and divisional manager at the National Vehicle and Driving Licence Registration Authority (RDW). At Translink, he assisted in the introduction of the public transport chip card, among other things. Arco’s extensive experience in managing the digital transformation at the Land Registry Office and Translink are very useful to Stedin Group. He is highly committed to customer-oriented services with a social relevance, as reflected in his experience as supervisory director at DSW Zorgverzekeringen and ROC Aventus.

Ms A.J. (Annie) Krist


Annie Krist (b. 1960) commenced her career at N.V. Nederlandse Gasunie in 1987. At the end of the 1990s, she was a member of the Gasunie team that was responsible for commercial, technical and IT modifications resulting from the deregulation of the gas market. In 2005, she joined the management team of Gasunie Transport Services (GTS). From 2008 to 2011, she was Director of Strategy and Participations. On 1 July 2011, Annie was appointed as Managing Director of GTS. From 1 May 2016 to 1 April 2017, she was a member of the Executive Board and CEO of Gasunie Transport Services. Annie was appointed as CEO of GasTerra with effect from 1 April 2017. She is also a member of the board of Vereniging Energie Nederland, the sectoral organisation for energy companies. In addition, Annie is a member of the board of the Platform Groen Gas, Associate Member of the International Gas Union, chair of the Stichtingsraad New Energy Coalition, board member of Stichting Fondsbeheer Culturele Relatie-Evenementen Gasunie/GasTerra of the Groninger Museum, member of the Advisory Board of the Clingendael International Energy Programme, board member of Stichting ter bevordering van de Ruimtelijke Wetenschappen and Vice President, Member of the Governing Board and Executive Committee at Eurogas.

All members of the Supervisory Board of Stedin Group have the Dutch nationality.