I began contributing to GeoGebra in October of 2011. I'm contributing code for generating, transforming and analyzing Platonic and Archimedean solids and their derivatives. This code is based on my ​Archimedean applet which I originally wrote in 1998.

I am a ​classical pianist/composer and play for the ​United States Army Band as well as perform occasional solo recitals. I have one ​CD available.

I have been a part-time software engineer for ​SAIC (Science Applications International Corporation) since 1999 and co-authored a book on Java programming, ​Java for Artists, in 2006 with my friend Rick Miller.

I began programming as a hobby in the early 1990's and won two "Programmers' Challenges" sponsored by ​MacTech magazine, ​Tile Windows in 1993 and ​Hyphenation in 1995. In 1996, I began programming in Java.