Cullen M. Sabin, Ph.D. is a co-inventor of the Tempra technologies. He has been Senior Vice President of Research and Development since April 1997. From 1992 to 1997, Dr. Sabin was consulting for several organizations on various projects. From 1988 to 1992, he was a Director and research engineer for International Thermal Packaging, Inc. From 1963 to 1989, Dr. Sabin served as Vice President of Geoscience Ltd. of Solana Beach, California where he researched ocean thermal energy heat transfer, solar energy heat transfer, boiling heat transfer to liquid metals and organics, dynamics of compact power systems, hypersonic heat transfer, thermal and electronic instrumentation, heat flux, vaporizer design and electronic instrumentation standards. Prior to 1963, Dr. Sabin was a research assistant at Stanford University (where he received his Ph.D.) studying turbulent free shear flows, hot wire anemometry and electronics instrumentation. From 1957 to 1960, he was an aeronautical engineer for General Dynamics Corporation in specialty shock tube dynamics, shock wave instrumentation, and free molecular flows. Prior to 1962 Dr. Sabin was a project engineer for Ballistics Research Laboratories researching aerodynamics of projectiles, interior ballistics of guns and ballistic range instrumentation, and a research engineer for Ames Laboratory, National Aeronautics and Space Administration (NASA) specializing in ballistics of hypervelocity guns. Dr. Sabin has written a book and has published more than 70 scientific memos, bulletins and reports.