Dominick Baier splits his time between being an independent security consultant and an instructor for DevelopMentor. He is leading the security curriculum and authors and teaches courses about .NET, ASP.NET, WinFX, and Vista Security. He has a degree in Computer Science (German Diplom Ingenieur), is a certified BS7799/ISO17799 Lead Auditor, and speaks at various conferences (WinDev, DevWeek, ADC, BASTA) about Application Security. When not teaching, he spends his time researching security, doing audits and penetration tests, and helping other developers around the world to build more secure applications.

Dominick is a Microsoft MVP in the "Visual Developer: Security" category.

You can find a lot of security-related resources as well as conference slide decks and tools/sample code at Dominick's blog, leastprivilege.com.