Duncan Epping is a Principal Architect working for VMware as part of Technical Marketing. Duncan specializes in vSphere HA, Storage DRS, Storage I/O Control and vSphere Architecture. Duncan was among the first VMware Certified Design Experts (VCDX 007). Duncan is the owner of Yellow-Bricks.com, one of the leading VMware/virtualization blogs worldwide (Voted number 1 virtualization blog for the 4th consecutive time on vsphere-land.com.) and lead-author of the "vSphere Quick Start Guide" and co-author of "Foundation for Cloud Computing with VMware vSphere 4", "Cloud Computing with VMware vCloud Director" and "VMware vSphere 4.1 HA and DRS technical deepdive". He can be followed on twitter at http://twitter.com/DuncanYB.
Frank Denneman is a Consulting Architect working for VMware as part of the Professional Services Organization. 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.