Personal details

Chair and CEO

Maarten Otto has been chair of the Management Board and Chief Executive Officer (CEO) since May 2020. He is also responsible for the business and operations management of network operator Liander. He joined Alliander in 2017 and has held various positions in the company. Prior to that, he worked for the organisational consultancies TEN HAVE Change Management and Twynstra Gudde.

Maarten Otto studied Management, Economics and Law at The Hague University of Applied Sciences and Public Administration at Erasmus University Rotterdam. He has also completed postgraduate courses at VU Amsterdam and the London Business School.

Supervisory Board memberships/relevant other positions

• Member of the Supervisory Board of Nederlandse Waterschapsbank (NWB bank)

• Chair of the Netbeheer Nederland Members Council

• Member of the Board of Directors of Eurelectric

• Chair of the Management Board of WENb Werkgeversvereniging voor de Energie-, Kabel & Telecom- en Afval & Milieubedrijven (Employers’ Association for the Energy, Cable & Telecom and Waste & Environment Sectors)

• Member of the Executive Management Board of VNO-NCW

Member of the Board and CFO

Walter Bien joined the Management Board on 7 October 2019, on which date he was also appointed to the position of Chief Financial Officer (CFO). He is also responsible for the business and operations management of network operator Liander. Before joining Alliander, he was CFO at Boskalis Dredging & Inland Infra and prior to that he held various board and management positions at Boskalis. Prior to his time at Boskalis, Walter Bien worked for Ballast Nedam.

Walter Bien earned a degree in Business Economics at the University Amsterdam. He also completed the Senior Executive Programme at the London Business School and a postgraduate controllers programme at the University of Amsterdam.

Supervisory Board memberships/relevant other positions

• Member of the Finance & Audit Board and treasurer of Vereniging Natuurmonumenten (Dutch nature conservation association)

A. (Annemarie) Jorritsma-Lebbink (1950, Dutch nationality), Chair

• First appointed: 1 July 2016

• End of current term: 2026

• Alliander committee: member of the Selection, Appointment and Remuneration Committee

Background information

Ms Jorritsma was a member of the Senate of the Netherlands for the Party for Freedom and Democracy (VVD) from 9 June 2015 to 13 June 2023, chairing the parliamentary party in the Senate from 24 November 2015 until the end of her tenure. After starting her national political career as a member of the Dutch House of Representatives in 1982, she served in two successive governments (Kok I and Kok II) as Minister of Transport, Public Works and Water Management, and Minister of Economic Affairs and Deputy Prime Minister respectively. Ms Jorritsma was Mayor of Almere from 2003 to 2015. She also chaired the Association of Dutch Municipalities (VNG) for seven years.

Relevant other positions

• Chairman of the Supervisory Board of Accell Group¹, member of the Supervisory Board of Sandy HoldCo (Roompot)¹, member of the Supervisory Board of Wilgenhaege Capital Markets, member of the Advisory Board of Econowind, chair of the Board of Nederland Distributieland (NDL).

F. (Frits) Eulderink (1961, Dutch nationality)

• First appointed: 26 September 2019

• End of current term: 2027

• Alliander committee: member of the Audit Committee

Background information

Mr Eulderink is an advisor to Royal Vopak. Until 24 April 2024, he was Chief Operating Officer (COO) and a member of Royal Vopak‘s Executive Board. He previously held various technical and management positions at Shell, including Vice President of Unconventional Oil in Houston (US).

Relevant other positions

Chair of the Supervisory Board of Energie Beheer Nederland¹, member of the Supervisory Board of Dura Vermeer Groep¹, member of the advisory council of the astronomical institute of Leiden University, member of the International Review Board of the Netherlands Research School for Astronomy.

T. (Thessa) Menssen (1967, Dutch nationality)

• First appointed: 26 September 2019

• End of current term: 2027

• Alliander committee: chair of the Audit Committee

Background information

• Ms Menssen was CFO and a member of the Management Board of BAM Group and before that she was CFO and COO of the Port of Rotterdam Authority.

Relevant other positions

Member of the Supervisory Board of Evides Waterbedrijf¹, member of the Supervisory Board of Ecorys, member of the Board of Trustees of the Scheepvaartmuseum (National Maritime Museum), member of the Board of Trustees of the Kröller Müller Museum.

M. (Marinka) Nooteboom (1971, Dutch nationality)

• First appointed: 19 April 2023

• End of current term: 2027

• Alliander committee: member of the Audit Committee

Background information

Ms Nooteboom is CEO of Koninklijke Nooteboom Group. Nooteboom started out her career in the financial sector successively at F. van Lanschot Bankiers and ING, before moving to the Nooteboom Group in 2010.

Relevant other positions

Member of Ace Centre of Expertise Advisory Council

G. R. (Gerard) Penning (1963, Dutch nationality)

• First appointed: 1 February 2021

• End of current term: 2025

• Alliander committee: chair of the Selection, Appointment and Remuneration Committee

Background information

Mr Penning was Chief Human Resources Officer (CHRO) and a member of the ABN AMRO’s Executive Committee until 1 December 2022. He previously held various management and executive positions at Shell, including that of Executive Vice President of HR Downstream.

Relevant other positions

Member of the Administrative Board of the international organisation Sustainable Energy for All (SEforALL).

• First appointed: 17 October 2025

• End of current term: 2030

• Alliander committee: member of the Selection, Appointment and Remuneration Committee

Background information

Mr Snel is a partner and consultant at communications consultancy FGS Global. Mr Snel was State Secretary for Finance in the Rutte III government from 26 October 2017 to 18 December 2019. Prior to that, he was chair of the Management Board of Nederlandse Waterschapsbank, deputy director-general for fiscal affairs at the Ministry of Finance, director at pensions administrator APG, and administrator at the International Monetary Fund in Washington. After serving as State Secretary, Mr Snel held various positions, including director of ABP pension fund, chairman of the supervisory board of shipbuilder Royal IHC and chair of Element NL.

Relevant other positions

• Chair of the Supervisory Board of Nationale Hypotheek Garantie (NHG)¹, Chair of the Advisory Board of Statistics Netherlands (CBS), Chair of the Supervisory Board of Stichting Nationaal Groenfonds