The Fannie Mae Foundation engaged Community Science in 2006 to review and analyze the performance data for its Alliance initiative, a collaboration of high-performing housing producers, community development finance institutions, and home buyer counseling agencies. The goal of this three-year initiative was to increase the ability of these three types of organizations to produce and preserve affordable housing and to prepare low-income home buyers to achieve and sustain homeownership. To evaluate the initiative, Community Science analyzed data for the first two years of the initiative to determine any performance changes from baseline and interviewed each Alliance member to ascertain the changes that had occurred in their organizations as a result of their participation in the Alliance and to identify the particular barriers and opportunities they faced as they worked to achieve a higher level of output. Community Science prepared a summary report for the staff and senior management of the Fannie Mae Foundation and also presented the results at a convening of the Alliance members. (2006)