Customizing Group Row Header of Silverlight DataGrid

Kunal Chowdhury is a Microsoft MVP (Most Valuable Professional) in Silverlight Technology, a Codeproject MVP & Mentor, DZone MVB (Most Valuable Blogger), Speaker in various Microsoft events, Author, passionate Blogger and a Software Engineer by profession.
 
He is currently working as a Software Engineer II in an MNC located at Pune, India. He has a very good skill over XAML, C#, Silverlight and WPF. He has a good working experience in Windows 7 application (including Multi-touch) development too.
 
He posts his findings in his technical blog. He also writes for SilverlightShow and Codeproject portal. Many of his articles were highlighted as "Article of the Day" in Microsoft sites.
 
He also has another website called Silverlight-Zone.com where he posts article links on Silverlight, Windows Phone 7 and XNA accumulated from various web sites to help the community grow on specified technologies.
 
You can reach him in his Blog : http://www.kunal-chowdhury.com
He is also available in Twitter : http://twitter.com/kunal2383