Jeff writes about everything EMS (cross service, recommended scenarios, etc.) for Microsoft at docs.microsoft.com. Additionally, he blogs about whatever interesting tidbits he uncovers along the way on his TechNet blog: https://blogs.technet.microsoft.com/jeffgilb/ and @JeffGilb on Twitter.
In addition to speaking at local user group meetings, Jeff has been a speaker on EMS, enterprise client management, Azure, and MDOP at many conferences over the years, including: the original Microsoft Management Summit, the Midwest Management Summit, TechEd, Ignite, and is a popular alumni speaker for IT/Dev Connections.