Companies I have worked with

HP, Microsoft, Oracle, Colt, IBM, OBS, Verizon, KPN-Getronics, Fujitsu, Brocade, Cisco, Dell, IP-soft, Ordina, SAP, Cap Gemini/Sogetti, ATOS, I3 groep, Hitachi Data Systems, Accenture, Vodafone, T-mobile, Eurofiber, Reuters, Bloomberg, DowJones, Asset data, all major Exchanges and many more.