This report documents the first 15-month period of the Los Angeles Gang Reduction and Youth Development (GRYD) program evaluation. GRYD is a gang prevention and intervention program that was implemented in 2008-2009 in 16 Los Angeles neighborhoods. This document reviews the GRYD program's origins, initial implementation, and the evolving development of GRYD practices and procedures in 12 of the neighborhoods. The report presents the original program evaluation design and methodology, evaluation challenges and delays, evaluation activities, and proposed next steps. Initial findings include encouraging results from a pilot retest of youth who received GRYD services.