Silverlight, WPF, Fireworks, Flash, XAML, .NET, User Experience, Graphic Design, Web Programming and more!
A somewhat “official” bio snippet:

Grant Hinkson is Director of the Experience Design Group at Infragistics. He is passionate about design, usability, and technology and is rewarded by working with a team of people who share similar passions. Grant is a Microsoft Expression MVP, a contributing author of Silverlight 1.0
, Silverlight 2 Programmer’s Reference
, Foundation Fireworks CS4, and is a contributing author on Adobe DevNet. He has spoken at Adobe MAX, Microsoft ReMIX, DevScovery (New York and Redmond). He has authored a number of utilities for the designer/developer community, including the Fireworks to XAML Exporter and Pistachio, a WPF Resource Visualizer. When not coding or designing, Grant enjoys playing both the piano and organ.