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Dec 8, 2009 - Present, Board of Directors, Cummins Inc. 1998 - Present, Adjunct Professor, Department of Physics and Astronomy, Rice University, Houston Texas 1993 - Present, Adjunct Professor, Department of Physics, University of Houston Project leader of "The Strategy for the 21-st Century", designing of a national roadmap to chart the next 50 years of Costa Rica's science and technology development Member of the International Advisory Council of Costa Rica's CENAT (Centro Nacional de Alta Tecnología) Member of the EARTH University President Advisory Council Member of the American Nuclear Society Member of the American Physical Society Member of the Advisory Board of The Planetary Society Member of the Association of Space Explorers Associate Member of the American Institute of Aeronautics and Astronautics Member of the Arias Foundation for Peace and Human Progress |