| Technologies HQ | 2002 | X Server Components, design and implimentation |
| Linux General Store | 2000 | Linux Administration Certification Classes |
| DragonCon | 1998-2001 | Current Computer Security flaws |
| DragonCon | 2000-2001 | Web Cam Technology |
| Phreaknic | 1998-1999 | How to use the BSD |
| Atlanta.con | 2000 | Recent Ddos attacks Securing BSD accounts on oversized machines |
| Atlantacon | 2001 | Physical security |