Pro Exchange Administration (PDF)

Michel de Rooij is a consultant and Microsoft MVP since 2013. He lives in The Netherlands, and has been working in the IT industry for over 20 years. Michel helps customers with their journeys related to Microsoft 365, with a focus on Exchange and Identity, but also related technologies such as Microsoft Teams or email in general. Michel has a developer background, but after some long-term dedicated Exchange-related work for a large multinational he switched to Exchange and never looked back. Michel is also a big fan of automating processes and procedures related to infrastructure, whether supporting projects or automating administrator tasks. Michel is also active in online communities, such as Tech Community, or on social media such as Twitter (@mderooij). He runs an Exchange-related blog at eightwone.com, guest authors for several other sites, and speaks at international events.



Jaap Wesselius is an independent consultant based in The Netherlands. As a consultant, Jaap has been working with Exchange Server since Exchange 5.0 in 1997. After working for Microsoft, he became an independent consultant in 2006. For his work in the (Exchange) community, Jaap has received a Microsoft MVP award 2007, an award he still holds in 2023. The first MVP category was Exchange Server, but over the years that has changed to Office Apps and Services. Besides working with Exchange, Jaap also works with Office 365, identity management, privacy, and security. Jaap is 56 years old, married, has three grown sons, and likes to ride his motorcycle, when possible.