Jesse Liberty, "Silverlight Geek", is a Senior Program Manager for Microsoft.
Even before joining Microsoft, Jesse was well known in the industry in part because of his many bestselling books, including O'Reilly Media's Programming .NET 3.5, Programming C# , Learning ASP.NET with AJAX and the soon to be published Programming Silverlight 4. Jesse has over two decades experience writing software, consulting and training, with stints as at AT&T as a Distinguished Software Engineer and at Citibank as a Vice President in the Information Division.
Donald Xie is a business analyst with Chevron. He loves programming and has worked as an independent solution consultant for many organizations. He is co-author of several books on general and .NET programming including Pro Visual Studio.NET and Fast Track ADO.NET.