I have been a TeX user group member of DANTE since 1991 and of TUG since 1993. I have been an attendee of DANTE meetings since 1992, EuroTeX conceferneces since 1992, and of (Euro)BachoTeX meetings since 2002.

I started using TeX in 1990, working on typesetting mathematical physics. I am the author of several articles in TUGboat or MAPS on the topic of math typesetting and OpenType math fonts.

I am also the maintainer of the TeX Historic Archvie at ftp.tug.org.