This paper synthesizes the experiences of seven donor agencies with establishing and implementing their results based management systems, comparing similarities and contrasting differences in approach. Illustrations drawn from individual donor approaches are used throughout the paper. Key features of results based management are addressed, beginning with the phases of performance measurement, Ex: clarifying objectives and strategies, selecting indicators and targets for measuring progress, collecting data, and analyzing and reporting results achieved. Performance measurement systems are examined at three key organizational levels, the traditional project level, the country program level, and the agency-wide (corporate or global) level. Next, the role of evaluation vis-