has been using and programming computers since the mid-1970s, when he first punched IBM punch cards for batch processing to solve engineering problems. Since then, he has been writing business software using assembly, C/C++, dBASE, Nantucket Clipper, RPG II, C#, and Visual Basic, for a variety of industries. He has authored and coauthored several programming books. He is an XML, ASP.NET, Visual Basic .NET, C#, and SQL Server instructor for and has taught software and business administration courses at community colleges. Based in Fairbanks, Alaska but constantly on the road, he is a consultant for a variety of companies that develop distributed applications for public and private organizations.
Don is also the author or coauthor of several programming books, and a featured speaker at SQL Server conferences.