Chair/co-chair: ArmadilloCon 9, 10, 14, 17 (1987-'95); Smofcon 13 (1995); World Fantasy Convention (2000); Westercon 49 (1996).

Convention Committees: LoneStarCon2 (Worldcon 1997 - Co-Vice Chair)
Offices: Fandom Assn. of Central Texas (Chairman of the Board).
Member: FACT, NESFA.