Hold the following certifications:
Microsoft:
MCSE 2003 Security & Exchange
MCITP: Enterprise Administrator
MCITP: Server Administrator
MCITP: Enterprise Messaging Administrator
MCITP: Enterprise Support Technician
MCTS (Windows 2008 x3, Vista, Exchange 2007, Hyper-V, SCVMM)
MCDST
CompTIA
A+, Network+, Security+, Server+
Expert level knowledge with:
Windows Core OS (Server & Client)
Exchange 2003 & 2007 / Unified Messaging / Office Communications Server 2007
Virtual Server 2005 / Virtual PC 2007 / Hyper-V / SCVMM2008
Server/Desktop/Laptop hardware
I have used EE for years but, just started contributing as of January 2008.