Dr. Wendell Mendell is a Planetary Scientist serving as Assistant Administrator for Exploration in the Directorate for Astromaterials Research & Exploration Science of the NASA Johnson Space Center, where he has been employed since 1963. He is married and has four children. Dr. Mendell has a B.S. in physics from CalTech; a M.S. in physics from UCLA; and a M.S. in Space Science and a Ph.D. in Space Physics and Astronomy from Rice University. His scientific research focus is remote sensing of planetary surfaces, particularly specializing in thermal emission radiometry and spectroscopy of the Moon. Since 1982, his activities in NASA have focused on planning and advocacy of human exploration of the solar system, especially on the establishment of a permanent human base on the Moon. His interests lay as much with policy issues as with technical solutions. He is most well known as the editor of the volume, Lunar Bases and Space Activities of the 21st Century; and he received the 1988 Space Pioneer Award for Science and Engineering from the National Space Society for this work. Dr. Mendell is currently detailed to the Constellation Systems Program Office as Chief, Office for Lunar & Planetary Exploration. He acts as a liaison between the scientific community and the Program responsible for implementing the Vision for Space Exploration. He is an Associate Faculty of the International Space University. At the ISU, he has led Design Projects for an International Lunar Base (1988), International Mars Mission (1991), International Lunar Farside Observatory and Science Station (1993), Vision 20/20 [a sampling of the future as seen by young space professionals] (1995), and Space Tourism: From Dream to Reality (2000). He belongs to several professional scientific and engineering societies. He is most active in the International Academy of Astronautics, where he is currently serving onAcademic Commission III for Space Systems; and in the AIAA, where he has chaired the Space Science and Astronomy Technical Committee and sits on the International Activities Committee. He served on (and chaired) the Executive Committee of the Aerospace Division of the American Society of Civil Engineers.He has been editor for nine technical volumes and has published over 40 articles in professional journals and conference proceedings. He is also author of numerous abstracts and short papers presented at technical conferences.