Stefan Schackow is a Program Manager on the Web Platform and Tools Team at Microsoft working on the new application services stack in Visual Studio 2005. He owns the Membership, Role Manager, Profile, Personalization and Site Navigation features in ASP.NET 2.0. He also works on features for Microsoft's ASP.NET hosting solution. He is a frequent speaker at Microsoft developer conferences. Prior to joining the ASP.NET team Stefan worked as an application development consultant in Microsoft Consulting Services (MCS) with enterprise customers for four years.