The Keck Institute for Space Studies (KISS) is a joint institute of the California Institute of Technology and the Jet Propulsion Laboratory established in January 2008 with a $24 million grant from the W. M. Keck Foundation. It is a privately funded think tank focused on space mission concepts and technology. The 2011-2014 Global Go To Think Tank Index Reports (Think Tanks and Civil Societies Program, University of Pennsylvania), have listed KISS in the "Top Thirty Science and Technology Think Tanks". The Founding Director of the Institute is Professor Tom Prince (2008–present).