Abstract: This study aims to analyze the influence of Leadership, Coordination, Commitment supplier, competence and Green Supply Chain on Event Organizer Performance by using a quantitative approach and survey methods. The sample of research used counted 101 people. Data were collected using questionnaires with Likert scale 1-5. The data analysis technique used is GSCA. The results of this study prove that: 1) Leadership, Coordination, Commitment Supplier, Competence and Green Supply Chain directly influence on Event Organizer Performance. 2) Leadership, Coordination, Supplier Commitment, Competence directly influence on Green Supply Chain. 3) Green Supply Chain mediates the influence of Leadership, Coordination, Supplier Commitment and Competence on Event Organizer Performance.