Tesis ini membahas tentang penerapan dan implementasi kepemimpinan transformasional di Direktorat Reserse Narkoba Polda Metro Jaya periode 2017-2018. Penelitian ini adalah penelitian kualitatif deskriptif. Hasil penelitian menunjukkan bahwa pemimpin di Direktorat Reserse Narkoba Polda Metro Jaya telah menerapkan empat komponen dalam teori kepemimpinan transformasional yang dikemukakan oleh Bass dan Riggio (2006:6-7). Komponen tersebut terdiri dari pengaruh ideal, motivasi inspirasional, pertimbangan individu, dan stimulasi intelektual. Namun keempat komponen tersebut belum sepenuhnya berjalan efektif dengan adanya kendala-kendala dalam penerapannya di lingkungan Direktorat Reserse Narkoba Polda Metro Jaya.Hasil penelitian juga memberikan rekomendasi yang dilakukan pemimpin dalam menerapkan kepemimpinan transformasional di Direktorat Reserse Narkoba Polda Metro Jaya, antara lain perlunya pemimpin menerapkan management by walking around, mengembangkan pelatihan kepemimpinan di lingkungan direktorat, dan perlunya mengembangkan pemahaman tentang keamanan informasi di Direktorat Reserse Narkoba Polda Metro Jaya.

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This thesis discusses the application and implementation of transformational leadership in the Directorate of Drug Research Metro Jaya Regional Police for the 2017-2018 period. This research is descriptive qualitative research. The results showed that the leaders in the Directorate of Drug Research Metro Jaya Regional Police had implemented four components in the theory of transformational leadership proposed by Bass and Riggio (2006:6-7). The component consists of ideal influences, inspirational motivation, individual consideration, and intellectual stimulation. However, the four components have not been fully implemented effectively due to constraints in their application in the Directorate of Drug Research Metro Jaya Regional Police.

The results of the study also provide recommendations made by leaders in implementing transformational leadership in the Directorate of Drug Research Metro Jaya Regional Police, the need for leaders to implement management by walking around, developing leadership training in the directorate's environment, and the need to develop an understanding of information security in the Directorate of Drug Research Metro Jaya Regional Police.