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Willem Laurentz Middelkoop

Willem L. Middelkoop MSc BICT

IT business owner, investor and software developer

Registered Apple Developer since 2008
Registered Android Developer since 2012
Microsoft Certified Application Developer since 2005
CompTIA Network+ Certified since 2004
Swimming certificate A since 1991
call +31645080320Uploadmail@willem.comdrawingsblog