John McCabe works for Microsoft as a Senior Premier Field Engineer. In this role he has worked with the largest customers around the world, supporting and implementing cutting-edge solutions on Microsoft Technologies. In addition, he is responsible for developing core services for the Customer Service & Support Engineering Teams. John has been a contributing author to several books including Mastering Windows Server 2012 R2 from Sybex, Mastering Lync 2013 from Sybex, and Introducing Microsoft System Center 2012 from Microsoft Press. John has spoken at many conferences around Europe including TechEd and TechReady. Prior to joining Microsoft, John was an MVP in Unified Communications with more than 15 years of experience consulting across many different technologies including networking, security, and architecture.