Robbert-Jan van Duijn will remain mayor of Nieuwkoop for the coming years. On Monday, January 26, 2026, he was officially sworn in for a second term by the Kings Commissioner in South Holland, Wouter Kolff. His new term will start on February 3 and last six years.
Van Duijn, who has been mayor of Nieuwkoop since February 2020, has dedicated himself convincingly to the municipality with its thirteen diverse communities over the past years. The mayor is described as an accessible connector and a father figure for all residents of Nieuwkoop. His integrity, decisiveness, and role as a regional representative were already praised by the chairman of the confidence committee.
Background
Robbert-Jan van Duijn began his political-administrative career in 2010 when he became a municipal councilor in Aalsmeer, a position he held until 2016. Between 2016 and 2020, he was also alderman and first deputy mayor in Aalsmeer. Van Duijn studied theology at the Free University of Amsterdam, then completed a masters degree to become a municipal pastor at the Protestant Theological University in Utrecht.