Dr. Matt Kaufmann is the co-author, with J Moore, of the ACL2 theorem proving system. Matt continues three decades of research and development in support of ACL2, pursued formerly at Computational Logic, EDS, AMD, and the University of Texas. He received the 2005 ACM Software System Award, together with Bob Boyer and J Moore, based on his contributions to ACL2. Matt has authored approximately 100 publications in mathematical logic and computer science, but his passion has been in tool development, including many industrial tools as well as ACL2.