Matthew has worked at Digium more or less since 2001. He has a BS in Computer Engineering from the University of Alabama in Huntsville. He wrote Digium's SS7 stack, libss7, as well as maintained and developed its ISDN stack libpri. He also wrote a number of DAHDI drivers and maintained the DAHDI project for a number of years. He currently is serving at Digium as the manager of the Asterisk group.