The current code is maintained by Ryan Gabbard at the University of Southern California's Information Sciences Institute (www.isi.edu). This code originated at BBN Technologies (www.bbn.com) where the following people worked on it:
- Ryan Gabbard
- Jay DeYoung
- Constantine Lignos
- Noah Rivkin
- Yee Seng Chan
- Bonan Min
- Nicholas Ward
- Elizabeth Boschee
- Chester Palen-Michel
- Jessica MacBride
- Roger Bock
- Ilana Heintz
- Dave Kolas