역할
역할:Executive Board Member (RIPE NCC)아직 평가되지 않음
역할:Co-chair (RIPE Address Policy Working Group)· 2007 – 2018아직 평가되지 않음과거 기록
역할:Founding board member (Netherlands IPv6 Foundation)아직 평가되지 않음과거 기록
역할:Founding board member (NLNOG)아직 평가되지 않음과거 기록
역할:Founding board member (Global NOG Alliance)아직 평가되지 않음과거 기록
역할:Independent consultant· 2010아직 평가되지 않음
