Award Categories
M365 Apps & Services
First year awarded:
Number of MVP Awards:
MCM/MCSM, MCITP 2008+Messaging+Lync+Virt, CISSP

Jeff Guillet

( Jeff Guillet )

United States
Pacifica, CA
One of only a handful of Exchange Server Microsoft Certified Solution Masters/MVPs in the world.


Founder of EXPTA Consulting, a technology consulting company and Microsoft Partner based in the San Francisco Bay Area specializing in on-premises and cloud solutions. Let us help your business succeed!

Microsoft Certified Solutions Master, Exchange MVP, author, blogger, and Principal Systems Architect. Jeff holds Exchange Microsoft Certified Master, MCITP:Enterprise Administrator, MCITP:Enterprise Messaging Administrator, MCITP:Lync Server Administrator, MCITP:Virtualization Adminstrator, MCSE:Messaging and CISSP certifications. 

Jeff is the author of The EXPTA {blog}, as well as a speaker, published author, contributing writer, and technical editor for more than a dozen technical books and other publications. He frequently speaks at Microsoft Ignite, TechEd, and IT Dev Connections conferences.

Jeff works primarily with Microsoft products (Exchange Server, Office 365, Active Directory, etc.). He also works with various other platforms and products, usually in the form of migrations.

Recent activities