From my friends at the Capital Area .net User Group:

Tuesday, April 25, 2006 (EST) - Windows WorkFlow Foundation
Speaker: Vishwas Lele
Location: AT&T Building, 1900 Gallows Road, Tysons Corner

Come learn how to integrate workflow processing into your applications with Windows Workflow Foundation from Vishwas Lele. 
 
This is a code-focused introduction to use of workflow in applications. We will begin with developing, designing, and debugging workflow solutions. Later in the session we will drill down into topics such as custom activities, hosting workflow applications and services such as instance tracking and persistence. 
 
Vishwas Lele is a Principal Architect at Applied Information Sciences where he has been involved in the development of .NET based applications for a number of clients. He regularly conducts .NET classes including security seminars for developers. Vishwas has been a speaker at a number of developer events and has also authored many magazine articles and white papers on the .NET technology. Vishwas serves as a Microsoft Regional Director for the Washington DC area.