Rambe KZ. This study aims to analyze the influence of leadership, organizational culture, and education and training on employee performance at Sekolah Tinggi Ilmu Manajemen Kosgoro (STIMA Kosgoro), Jakarta. The research employs both descriptive and inferential sta. PSSJ [Internet]. 2022 Nov. 30 [cited 2026 Apr. 17];2(11):1-13. Available from: https://www.journal.privietlab.org/index.php/PSSJ/article/view/1778