Evangelos Petroutsos is a computer engineer who has worked for several corporations and organizations, including the California Institute of Technology and MCI. Currently, he writes computer books and articles, teaches networking and programming courses, and works as a computer communications consultant. He has authored and co-authored many programming books, including Mastering Visual Basic 6 from Sybex.

Kevin Hough is an author and consultant specializing in high-level client/server applications written using Visual Basic and SQL Server. His advanced custom controls have been used in large-scale commercial projects and custom software applications. He is the author of MCSD: SQL Server 6.5 Database Design Study Guide from Sybex.