Frank works primarily with large Enterprise customers and Service Providers. He is focused on designing large vSphere Infrastructures and specializes in Resource Management, vSphere DRS and storage. Frank is among the first VMware Certified Design Experts (VCDX 029). Frank is the owner of FrankDenneman.nl which has recently been voted number 6 worldwide on vsphere-land.com and co-author of "VMware vSphere 4.1 HA and DRS technical deepdive. He can be followed on twitter at http://twitter.com/FrankDenneman.