BAS foundation


Van Boetzelaerlaan 129
2581 AG Den Haag


  • Marja Langenberg, chair
  • Wim de Koning Gans, secretary
  • Hans Westenberg, treasurer
  • Maarten Ruijters, architecture expert
  • Rasmus Geertsema, member

Marja Langenberg (MSc Arch, MSc BA) is an architect by training and a management consultant by profession. She worked both in business and in the public sector. She is a board member of SHIE (The Hague Foundation for Industrial Heritage) for which she also conducts research.

Wim de Koning Gans was curator of photos at The Hague Municipal Archives until 2021. There he was responsible for historical and current photos of the city. In 1994 he published ‘Het Statenkwartier in oude foto’s 1895-1945’ (The Statenkwartier in old photos 1895-1945′), followed by several other books with historical photos of The Hague and one about Amsterdam.

Hans Westenberg (LLM) graduated in civil law with a minor in administrative law. For many years he was a judge and lecturer in civil procedural law about which he also published. Nowadays he has a legal consultancy firm that deals with procedures in the field of environmental law.

Maarten Ruijters (MSc Arch) was co-founder and owner of the architectural firm Ruijters and Thio. Their housing project The Chinese Bridge received the The Hague Urban Renewal Prize in 1995. (See picture below. )The jury report praised this project in the old city center for ‘the upgrading of the ensemble of front facades along the canal due to the interaction of the new building and the existing historic buildings’. Maarten is a much sought-after speaker on architecture at the Museon and other museums and has published about the Statenkwartier, including in an architecture guide for the Statenkwartier “Strolling through the Statenkwartier” (2015).

Rasmus Geertsema (LLM) read European Economic Law at the University of Groningen. Currently, he works as competition counsel at a supervisory authority. Since 2021, he enjoys living in Statenkwartier and appreciates the architecture in the neighborhood.

Ruijters and Thio, The Chinese Bridge, Zuidwal The Hague, Google streetview