Supervisory board

The Supervisory Board oversees the course of activities within KWH in the name of the shareholders – Dutch and Flemish water companies. It does this with an eye to the general interest of society, which KWH upholds. The Board consists of five members who, on the basis of their personal backgrounds and thanks to their valuable networks, help determine our course.

The Supervisory Board of KWH consists of the following members:

ir._Pier_Nabuurs Pier Nabuurs
Chair, member Governance Committee
UUntil 2011, Pier Nabuurs (M, 1949, NL) was CEO of KEMA. He was also Interim Chairman of the Energy Top Sector. Mr Nabuurs is as of  July 1, 2018  reappointed until  July 1, 2022.
Other relevant positions:

  • Independent advisor and owner of IIW (Independent Industry Watching)
  • Chairman benchmark commission Borssele
  • Chairman, STAK Curfs Logistics
drs._Erika_Marseille Erika Marseille
Member, chair Audit Committee
Erika Marseille (V, 1967, NL) is an independent financial expert and formerly held various financial positions in business. Ms Marseille is as of  July 1, 2014  reappointed until  July 1, 2022.
Other relevant positions:

  • Various positions as director, supervisor, researcher or binding advisor
  • Member of the board of the Association for Annual Accounts
  • Member of the Advisory Board of Wing Landschapsarchitecten
Arjen van Tunen
Member, member Audit Committee
Arjen van Tunen (M, 1958, NL) is CEO of Keygene N.V..  Mr. Van Tunen has been appointed from July 1, 2020 until July 1, 2024.
Other relevant positions:

  • Board member EuropaBio
  • Board member FoodValley NL
Lambert Verheijen
Member, chair Governance Committee
Lambert Verheijen (M, 1954, NL) was until his retirement chair of the Aa and Maas water board, and was as such chair of the General Board and the Daily Board. Mr. Verheijen has been appointed until July 1, 2023.
Other relevant position:

  • Member of the Supervisory Board of Koninklijke Smals N.V.
  • Member of Q-team ‘Brainport Smart district’ (from March 1, 2021)


Supervisory Board Regulations 2020
Retirement rota as of 1 July 2020
Regulations KWH Governance Committee 2020
Regulations KWH Audit Committee 2020
Profile KWH Supervisory Board 2020