1991 Nautical College - Amsterdam

1993 Trainee Maritime Officer - Nedlloyd

1995 Deck Officer [all ranks] - Spliethoff

2002 First Mate - GenChart

2004 Trainee Maritime Pilot - Port of Rotterdam

2005 Maritime Pliot - Port of Rotterdam

2009 Maritime Pilot Europoort - Port of Rotterdam

2015 Lincenced Vessel Traffic Service Officer, Port of Rotterdam

2016 Maritime Pilot Deep DraughtVessels[ > 17,37 m]- Port of Rotterdam

2020 Chief Maritime Pilot, Port of Rotterdam