The purpose of this study was to determine the effect of leadership on work productivity at the Customs and Excise Supervision and Service Office (KPPBC) of Madya Pabean B Pekanbaru. This research was conducted at the Customs and Excise Supervision and Service Office (KPPBC) of Madya Pabean B Pekanbaru, located on Jenderal Sudirman Street No. 2-4 Senapelan Pekanbaru. In this research method the…