Doug Cottrill

Doug has been working with 4th Dimension and related plugins since 1992. He also has experience with HTML, CSS, and Java Script as well as MS Access, SQL Server, and Oracle databases. He has earned both a Bachelor's and a Master's degree in Computer Science specializing in software engineering. Doug founded PTM Software in 1994 and has been consulting for customers large and small ever since.

Lyn Spring

Lyn has been working in the software industry since 1993. She began working with 4D in 1996 and has experience with HTML, Java Script, Oracle and Sybase SQL with a heavy emphasis on design and analysis. In 1996, Lyn began working part-time at PTM Software and in 1998, she became a full-time partner. Lyn's focus is currently on hardware consulting.