Matt Jonkman, Founder
Matt brings over 15 years of security and entrepreneurial experience to the foundation. Matt is the founder of Emerging Threats, an open source IDS Ruleset, and Emerging Threats Pro which is a commercial version of the Emerging Threats ruleset. This makes Matt a consumer of the OISF Engine and an ideal person to lead the foundation. Matt resides in Lafayette, Indiana.

Victor Julien, Founder
Victor has been active as a software developer in the infosec community for many years. He is the creator of the Vuurmuur firewall project, has been one of the developers at the Snort_inline IPS project. Victor has spent the last years doing contract development on Open Source security software including significant additions to Snort. At the end of 2007 he started development on the OISF codebase on which he now leads the development effort. Victor maintains a blog at and uses twitter at Victor resides in Amsterdam, The Netherlands.

Will Metcalf, Founder
Will comes from the government and law enforcement IT Security sector with over nine years experience. In addition Will has had involvement with various open source projects over the years including snort_inline and maintains a blog at In 2012 Will joined the Emerging Threats Pro team as well. Will currently resides in Kansas City, Missouri.