Professor Bartelsman has been appointed by the Netherlands Raad van State (The Council of State) as an external member of the Expert Group for Independent Budgetary Oversight (Expertisekring Miljoenennota/Onafhankelijk begrotingstoezicht).
His policy fact sheet on private (innovative) investment was published by the Dutch Parliament. Download (in Dutch): https://www.tweedekamer.nl/kamerstukken/detail?id=2025Z10025&did=2025D23037