| IPv6: Understanding, Analysis & Implementation | IT Dojo 6/2012 |
| SEC250 - CISSP | Interface Technical Training 11/2010 |
| TCP/IP Weapons School | Black Hat USA 8/2008 |
| Red Hat Enterprise Linux Network Services and Security Administration (RH253) | Red Hat 5/2008 |
| Red Hat Linux System Administration (RH133) | Red Hat 9/2007 |
| Network Troublingshooting Using Open Source Tools | Interop workshop 5/2007 |
| ENTICE (V2.5D) | Stratus 2/2007 |
| Troublingshooting Ethernet and Switched Networks | Interop workshop 5/2005 |
| Network Forensics Day | Interop workshop 5/2005 |
| Analyzing Application Performance | Interop workshop 5/2005 |
| White Hat Toolbox Security Tools, Tricks & Traces | Hot Labs 12/2004 |
| Cisco Internetwork Troubleshooting | Global Knowledge 1/2003 |
| Interconnecting Cisco Network Devices | Global Knowledge 12/2002 |
| Auditing Networks, Perimeters and Systems | SANS Institute 3/2000 |
| Windows 2000 Troubleshooting | Global Knowledge 10/2000 |
| Implementing Windows 2000 Network Infrastructure (2153) | New Horizons 10/2000 |
| Frame Relay Internetworking | Global Knowledge 8/90 |
| Implementing T1/T3 | Global Knowledge 7/99 |
| Intenetworking Routers and Switches | Global Knowledge 6/99 |
| Fast LAN Technologies | Learning Tree International, 4/98 |
| Introduction to Cisco Router Configuration | American Research Group, 11/97 |
| FDDI Network Analysis and Troubleshooting | Network General, 8/97 |
| HP-UX 10.X Network Administration | Hewlett Packard, 7/97 |
| HP-UX 10.X System/Network Admin for experienced users | Hewlett Packard, 4/97 |
| Fiber Optic Cable Installation | American Research Group, 2/96 |
| Fiber Optic System Design | American Research Group, 2/96 |
| Network Performance Analysis & Baselining | Network General, 10/95 |
| Advanced Network Analysis & Troubleshooting | Network General, 8/95 |
| Signaling System 7 and Intelligent Networks | George Washington Univ., 5/95 |
| Troubling Shooting with the Expert Sniffer Network Analyzer | Network General, 4/95 |
| Ethernet Analysis and Troubleshooting | Network General, 4/95 |
| Understanding ATM | American Research Group, 12/94 |
| X-Window System Programming | Learning Tree International, 7/94 |
| Object Oriented Programming with C++ | Stratus, 5/94 |
| UNIX System V release 4 internals | AT&T, 2/94 |
| Hands-On UNIX Networking | Learning Tree International, 5/93 |
| NeXT Hardware Service | NeXT, 2/93 |
| Stratus Intelligent Network Application Platform | DGM&S, 12/92 |
| StrataLINK and StrataNet Administration | Stratus, 10/92 |
| Common Channel Signaling 7 - Network Overview | AT&T, 8/92 |
| Hands-On Internetworking | American Research Group. 6/92 |
| FTX User Administrator | Stratus, 12/91 |
| FTX2 Maintenance Course | Stratus, 12/91 |
| NeXT System Administration | NeXT, 8/91 |
| NeXT Interpersonal Computing | NeXT, 8/91 |
| Resolving Data Communication Mysteries | Stratus, 6/91 |
| NeXT Developer | NeXT, 9/90 |
| Oracle Version 6 Database Architecture | Oracle, 5/90 |
| Oracle Version 6 Database Administration | Oracle, 5/90 |
| Sybase Performance and Tuning | Sybase, 3/90 |
| Sybase APT Workbench | Sybase, 2/90 |
| Micro/Mini & Micro/Mainframe Connectivity | ICS, 8/89 |
| VOS System Architecture | Stratus, 4/89 |
| Basic 6800 Microprocessor Family | Motorola Training, 8/88 |
| Sybase Concepts and Facilities | Sybase, 1/88 |