Warren Katz co-founded MÄK Technologies in 1990, a leading global vendor of military simulation software. In December 2006, MÄK was acquired by VT Systems of Alexandria, Virginia. He is an avid mentor and angel investor at both Techstars and Bolt, with expertise in how to fund companies using government contracts. He is a noted industry advocate of open interoperability standards and commercial business models in Department of Defense procurement. He was six-term chairman of the Simulation Interoperability Standards Organization, the international not-for-profit consortium that develops standards for synthetic environments. From 1987 to 1990, he worked for Bolt, Beranek, and Newman as a drive train simulation expert, responsible for mathematical modeling of physical systems. He holds dual bachelor’s degrees in mechanical and electrical engineering from Massachusetts Institute of Technology. Some of Katz's investments include Harmonix, GrabCAD, Oblong, Organic Motion, and PetNet.