O Gwang Jo worked as a team leader for the public relations office of Jeju Municipal Police(self-governing police) during the municipal police test-implementation period, which is one of the major policies of the Moon Jae-in Moon government. With outstanding performance during the test-implementation period of the municipal police system, he has been at the forefront by discovering convergence in administrative and police affairs consistent with the purpose. “Administrative and Security Center” and the “Jeju-type School Road Facility Improvement Project” are the representative examples. Currently, he is serving as a leader of the TF Team for a test-operation period of the Municipal Police in Jeju, which is the only dualized self-governing police system among 17 local governments in Korea. He is making efforts to establish a successful base for the Jeju Dualized Municipal Police System.