In 1997 Frans Schneider was, as chairman of the Dutch National Body, the Dutch representative in the Steering Committee and also Member of the Executive Team as Treasurer of EfVET. Because of this dual function he asked Adriaan Vrienten to take over the chairmanship of the Dutch National Body and the representation in the Steering Committee.
So Vrienten joined the Steering Committee of EfVET as representative of the Dutch National Body in 1997. In 1999, he was appointed as Co-opted Member of the Executive Team with the strategy and constitution portfolio.
He was involved in the organisation of the Conference in Thessaloniki in the year 2000 and Maastricht in 2001.
He left the Steering Committee in October 2001 and was appointed as Honorary Member