Evangelos Petroutsos is a computer engineer who gained much of his experience at the California Institute of Technology and MCI. Currently, he writes computer books and works as a freelance computer consultant and trainer. He has authored and co-authored dozens of programming titles, including several earlier editions of this book, Mastering Visual Basic .NET, and Mastering Visual Basic .NET Database Programming.

Mark Ridgeway is head of IT at Braemar College in Woodend, Australia, where he runs a computer network and teaches young minds to take nothing for granted. He has written a number of articles and tutorials on developing for the Mobile Internet and is the author of .NET Wireless Programming, also from Sybex.