David Kennedy is Chief Information Security Officer at Diebold Incorporated and creator of the Social-Engineer Toolkit (SET), Fast-Track, and other open source tools. He is on the Back|Track and Exploit-Database development team and is a core member of the Social-Engineer podcast and framework. Kennedy has presented at a number of security conferences including Black Hat, DEF CON, ShmooCon, Security B-Sides, and more.
Jim O'Gorman is a professional penetration tester with CSC's StrikeForce, a co-founder of Social-Engineer.org, and an instructor at Offensive-Security. He is involved in digital investigations and malware analysis, and helped build forensic capabilities into Back|Track Linux. When not working on various security issues, Jim spends his time assisting his children in their attempts to fight Zombie hordes.
Devon Kearns is an instructor at Offensive-Security, a Back|Track Linux developer, and administrator of The Exploit Database. He has contributed a number of Metasploit exploit modules and is the maintainer of the Metasploit Unleashed wiki.
Mati Aharoni is the creator of the Back|Track Linux distribution and founder of Offensive-Security, the industry leader in security training.