This report is a summary of the activities of the Center for the Advancement of Informal Science Education (CAISE) Fellows program up to the date of CAISE’s Reverse Site Visit to the National Science Foundation (NSF) on April 16 of 2010. The report also includes a brief synthesis of NSF’s feedback from the site visit and some suggested future directions by the CAISE Co-Principal Investigators based on that feedback, input from past and present CAISE Fellows and Inverness Research Associates’ evaluation of the program.