Complex sentence: While key reform objectives, e.g., leanness and effectiveness, were not achieved due to more than doubling its administrative structures (see the Before and After diagram below), the reform he created a major cluster of four organizations to provide support services to donors.
Split into simpler sentences: While key reform objectives, e.g., leanness and effectiveness, were not achieved due to more than doubling its administrative structures (see the Before and After diagram below). The outcome of the reform was the creation of a major cluster of of four organizations to provide support services to donors.