Megachurches are of relatively recent vintage. Their numerical strength invests them with social and financial power. To whom, if anyone, however, are megachurches accountable? What role do they play as innovators in missions? How have their enormous influence and financial strength been harnessed? What lessons can be learned? What course corrections ought to be made? Over the course of a week, the third meeting of the Korean Global Mission Leadership Forum (KGMLF), held in Korea in 2015, addressed these and related questions. Combining the insights of a rich mix of Korean and international megachurch leaders and scholars, Megachurch Accountability in Missions: Korean and Global Case Studies offers analysis, critique, and positive recommendations for future megachurch engagement in mission.