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Leonard Yowell

Dr. Leonard Yowell leads an applied nanotechnology research and development team in Houston, Texas, centered on the development of nanomaterials-based applications for use in solving some of the toughest problems in human spaceflight. Leonard has managed a range of nanomaterials research efforts, including thermal management and reentry materials, advanced life support system materials for water and air recovery, power and energy storage materials for fuel cells and supercapacitors, structural composites based on single wall carbon nanotubes, and advanced materials repair concepts. He holds a Ph.D. in Materials Science from Rice University, an M.S. in Aeronautics from Stanford University, and a B.S. in Aeronautical Engineering from Rensselaer Polytechnic Institute. In May 2008, Leonard will complete the Executive MBA program at Rice University.

Based on his research at Rice University, Leonard patented a method to synthesize novel ceramic-nanotube composites via tape casting and sol-gel processing routes for thermal conductivity reduction in thermal barrier coatings used in turbine engine applications. Additionally, he developed a novel process for the micro-scale alignment of single wall carbon nanotubes and a new thermal conductivity measurement technique for small composite fibers.

As an officer in the U.S. Navy, Leonard has served in a number of active duty and reserve assignments both at sea and abroad. Leonard was most recently recalled to active duty in the Navy to serve as a Team Chief within the Targets Division of U.S. Central Command, supporting coalition forces in Operations Enduring Freedom, Southern Watch, and Iraqi Freedom. Prior to moving to Houston, Leonard served as the Officer-in-Charge of the Navy's Consolidated Reconnaissance Operations Facility in Souda Bay, Crete, Greece. Leonard has also served with the Secretary of the Navy's Office of Legislative Affairs and as the Tactical Reconnaissance Officer on the Air Wing Staff aboard the USS George Washington.

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