Jeff Greason is CTO and Chairman of the Board of Directors of XCOR Aerospace. As the president and a co-founder of XCOR, he leads an engineering team that has developed 11 different long life, highly reusable, liquid-fueled rocket engines. Under Greason's leadership, XCOR has also developed low cost liquid propellant piston pumps and two generations of piloted reusable rocket aircraft. He has 20 years of experience managing innovative technical project teams at XCOR Aerospace, Rotary Rocket Company, and Intel Corporation. Greason has been a member of the Commercial Space Transportation Advisory Committee (COMSTAC) RLV working group since 2000 and now serves on the full COMSTAC. He is a co-founder and vice-chairman of the Personal Spaceflight Federation, a trade association for innovative launch companies. Greason has testified before joint House/Senate subcommittee hearings on “Commercial Human Spaceflight” that addressed the transition from aircraft regulation to launch vehicle regulation for suborbital vehicles. In 2009 he was named to the President’s Human Space Flight Review Committee (Augustine Committee). Greason graduated with honors from the California Institute of Technology in Pasadena.