Frederik Vos is a freelance Trainer and Consultant in Virtualisation, Cloud and Open-Source Technologies. He specializes in data centre infrastructures (hypervisor, network, and storage) and cloud computing (CloudStack, CloudPlatform, OpenStack, and Azure). He is also a Linux trainer and evangelist. Frederik is a member of the ITGilde cooperation and co-author of training material for ITGilde and Linux Foundation. He can be found on Twitter @inktvis75.