Johan started his career at the Fortis Bank in 1995, first as an IT-analyst, later as member of the SAP ERP-implementation team. Since 1998 he was active as a technical writer about server technology for ZDNet, ITProfessional and Anandtech.com. Since 2001, he has been combining this with a job as senior lecturer of datacenter & server technology at the University College Howest (Kortrijk, Belgium). In 2003, he founded the Sizing Servers Lab. The lab specializes in independent benchmarking and testing of virtualization, database, big data and power management technology. The Sizing Server Lab has conducted research for Intel, AMD, Cavium, IBM, Facebook, and tens of small innovative Flemisch SMEs.