Joe has been a committer on the Eclipse Test and Performance Tools project since its inception in 2002 (as the Hyades subproject of the Tools PMC), leading the Test Model subgroup, and acting as committer for the Test Model team and the Execution Environment Control group. He also participates in several IBM Architecture groups. Joe received a BS in Math / Computer Science from Carnegie Mellon University in 1993, and joined Rational Software in 1997. Prior to his work on TPTP, Joe was a developer on several Rational products, including Rational Robot, Rational Quality Architect and Rational XDE Component Test.