shorten down into 3 sentences; Professional development is important for workers, organizations, and countries. This chapter explores how leadership affects the professional development of subordinates and emphasizes the significance of effective leadership. The chapter presents research findings on the connection between leadership and the professional growth of subordinates. Studies indicate that professional development is intertwined with workers' daily activities and should be part of a continuous learning process. This process includes both formal and informal learning experiences. The chapter proposes that professional development is more about the blend of cognitive, affective, and behavioral learning processes than specific learning outcomes. It examines how interactions with leadership in the workplace can impact subordinates' professional growth beyond the learning opportunities provided. This discussion aims to shift research focus from learning methods to leadership practices that enhance skills development and career advancement for subordinates.