I first touched a BSD box in around 1994, thanks to the donation of a BSD/OS system and SLIP connection from UUNet to my high school. It was love at first sight! Discovering FreeBSD not long after, I've been a regular FreeBSD user since around 1995, although I only became involved in FreeBSD development in 1999, gaining a "commit bit" to help maintain the FreeBSD portions of the Coda distributed file system, a project I had worked on while at Carnegie Mellon University. My undergraduate degree is in Logic and Computation, from CMU's philosophy department, along with a double major in Computer Science, but it became clear that my greatest interest lay in operating systems and security. After working on file system ACLs and mandatory access control for FreeBSD, I started the TrustedBSD Project in 2000, with the goal of bringing more advanced security features to the platform. In 2001, while working at Network Associates Laboratories (NAI Labs, and later McAfee Research), I proposed and became Principal Investigator on a research project as part of DARPA's CHATS research program, which was investigating security and open source. This project included sponsoring and developing UFS2, OpenPAM, the TrustedBSD MAC Framework, NSS support, PAE support, several network stack hardening projects (including syncache and syncookies for FreeBSD), GEOM, and GBDE.

Since that time, I've lead projects to port the SELinux FLASK/TE module to FreeBSD, implement Audit on Mac OS X and FreeBSD, and to port the TrustedBSD MAC Framework to Mac OS X. I've also become actively involved in the FreeBSD SMP network stack work, become a FreeBSD Core Team member, a member of the security officer and release engineering teams, and president of the FreeBSD Foundation. In the autumn of 2004, I left employment at SPARTA, Inc., as a Senior Principal Scientist to start work on a PhD at the Computer Laboratory at the University of Cambridge, working in the areas of operating systems, windowing systems, and application security. My work on FreeBSD continues as part of my research, intermittently under contract to various FreeBSD-consuming companies, and quite extensively in my spare time.

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