Livingston Holder served as the Chairperson for COMSTAC from May 2000 until October 2003. He currently heads the Holder Consulting Group, Renton, Washington. Previously, he was the vice president of Space Systems for Andrews Space and Technology in Seattle. Prior to this position, Mr. Holder was the manager of the Aircraft, Spacecraft, Segments of the RESOURCE21 Program, The Boeing Company. Mr. Holder joined Boeing in 1988, holding various assignments, including program manager for the Sea Launch Program during its initial development in 1994. From 1995 to 1996, Mr. Holder led Boeing's Future Space Transportation organizations, which included Boeing's participation in the X-33/Reusable Launch Vehicle Program. As an Air Force Officer, he was a Titan III launch crewmember at Vandenberg AFB, California. He next served in the Office of the Secretary of the Air Force, Special Projects organization, Los Angeles AFS, California, on a major classified satellite program. During this period, he trained and qualified as a manned spaceflight engineer and Space Shuttle payload specialist. Mr. Holder holds a Master of Science degree in Systems Management from the University of Southern California. He received his Bachelors of Science degree in Astronautical Engineering from the U.S. Air Force Academy in 1978.