Joonkil Ahn is an Assistant Professor in Department of Educational Policy Studies & Practice at the University of Arizona. With his background as a high school teacher and teacher leader for 17 years, his research centers around leadership as an organizational quality and its impact on teachers and students. He problematizes educators’ deficit-based perspectives about students and is interested in revealing specific practices where these perspectives manifest in teaching and leadership practices. He also problematizes deficit perspectives about teachers and examines leadership roles to facilitate teacher agency and collaboration with colleagues to maximize organizational capacity for enhancing equity.