Supervisory Board

Mr. Sj.S. (Sjoerd) Vollebregt (1954), Chair

Dutch. Mr. Vollebregt was formerly Chairman of the Executive Board of Stork B.V. and Fokker Technology B.V. Prior to that, Mr. Vollebregt was employed at companies including Exel, Ocean, Intexo Holding and Royal Van Ommeren. He was appointed as a member of the Supervisory Board of Heijmans N.V. in April 2015, appointed as Chairman in 2016 and reappointed in 2019. He is due to step down in 2023. Principal additional positions: Chairman of the Supervisory Board of Fugro N.V., Chairman of the Economic Board of Drechtsteden and Lead Independent Director of Joulz.

Ms. M.M. (Martika) Jonk (1959), vice chair

Dutch. Ms. Jonk qualified as a lawyer in 1986 and is a senior counsel at CMS Derks Star Busmann. She was appointed as a member of the Supervisory Board of Heijmans N.V. in December 2018 for a term of more than four years. She is due to step down in 2023. Principal additional positions: member of the Supervisory Board of HES International B.V., member of the Supervisory Council of Catharina hospital in Eindhoven.

Ms. J.W.M. (Ans) Knape-Vosmer (1962)

Dutch. Senior Vice President HR&O Global Enabling Functions & Sales | Regional HR coordination Asia & Europe at ASML. She was appointed as a member of the Supervisory Board of Heijmans N.V. in April 2020. She is due to step down in 2024. Principal additional positions: member of the Supervisory Board of Royal Douwe Egberts B.V.
 

Mr. A.E. (Arnout) Traas (1959), chair of the Audit and Risk committee

Dutch. From mid-2011 to April 2020, Mr. Traas was CFO at ForFarmers N.V. Prior to this, he worked at FrieslandCampina for 10 years, as well as at a number of other companies, including Arthur Andersen, Mars, Vendex/KBB. He was appointed as a member of the Supervisory Board of Heijmans N.V. on 14 April 2021. He is due to step down in 2025. Principal additional positions: chairman of the Supervisory Board of ABAB, chairman of the Supervisory Board of Vreugdenhil Dairy Foods, coordinator of Next Generation CFO course at VU and chair of the advisory board for the Executive Master of M&A and Valuation at VU and RUG.

Mr. A.S. (Allard) Castelein (1958)

Dutch. Chief Executive Port of Rotterdam. Appointed as a member of the Supervisory Board of Heijmans N.V. on 12 July 2022. Due to step down in 2026. Principal additional positions: non-executive director at Renewi Plc, non-executive director at ABP (Associated British Ports), member of the supervisory board of Rotterdam Partners, member of the day-to-day management at VNO-NCW and chair of the board at Ronald McDonald Huis Sophia Rotterdam.

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