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.