The Nordic Watercolour Museum is administered by a Foundation with representatives from five Nordic countries. The founding members are The Nordic Watercolour Association and The Municipality of Tjörn.  

• Members of the board:
• Chairman Gunilla Bornmalm-Jardelöw, Gothenburg, Sweden
• Vice Chairman Kai Kartio, Helsinki, Finland 
   
• Board Members:
• Anders G Högmark, repr. municipality of Tjörn, Sweden
• ​Anna Törnquist, repr. The Nordic Watercolour Society
• Bernt Kjellander, repr. Västra Götaland, Sweden
• Eva Bertilsson-Styven, Rönnäng, Sweden
• ​Harpa Thórsdóttir, Reykjavik, Iceland
• Kai Kartio, Helsingfors, Finland 
• Nils Ohlsen, Oslo, Norge
• Morten Löbner Esperson, Köpenhamn, Denmark
• Lars Nordström, Gothenburg, Sweden