Mac OS X including Tiger (10.4), Leopard (10.5), and Snow Leopard (10.6)
Mac OS X Server including Tiger (10.4), Leopard (10.5), and Snow Leopard (10.6)
Certified member of the Apple Consultants Network
ACHDS (Apple Certified Help Desk Specialist) (Mac OS X)
ACTC (Apple Certified Technical Coordinator) (Mac OS X Server)
Windows (98, ME, XP, NT, Server 2000, Server 2003, SBS 2003, Vista, Windows 07) Please note: I am no longer fixing Windows virus problems. I can not keep up with all the different viruses. If you wish to switch from Windows to the Mac, I will be glad to help you. Similarly, if you want to network your Mac and Windows computers, I will be glad to help you.
Running Windows XP, Windows Vista, or Windows 7 on top of Mac OS X. (It's really slick being able to copy and paste between Windows and the Mac. Now real estate agents can run MLS on a Mac. Business can run Quickbooks for Windows on a Mac.)
Linux (Red Hat, Ubuntu, Open Fedora, Novell/Suse, Slackware, and others)
Networking (DSL, Comcast Cable, Wireless, Mixture of PC and Macs)
See the video of Jim Oser being interviewed by Dennis Sellers, Founder, Publisher, Chief Macsimizer, Macsimum Perspective at MacWorld in San Francisco, January 2005.
First Monday of the month, Steve Traiger and I lead the Golden Gate Computer Society's Mac Sig in San Anselmo.