Book excerpt: Since its establishment in 1945, the U.N. has been in a constant state of transition as various international stakeholders seek ways to improve the efficiency and effectiveness of the U.N. system. Recent controversies, such as corruption of the Iraq Oil-For-Food Program, allegations of sexual abuse by U.N. peacekeepers, and instances of waste, fraud and abuse by U.N. staff, have focused renewed attention on the need for change and improvement of the U.N. Contents of this report: (1) Introduction; (2) Background; (3) Recently Adopted and/or Implemented Reforms and the New Secretary-General; (4) Congress and U.N. Reform; (5) Administrative Policies; (6) Reform Perspectives and Priorities; (7) Implementing Reform: Mechanics and Possible Challenges.