drg. Osa Amila Hafiyyah, MDSc., Sp.Perio, Subsp. R.P.I.D (K), is a lecturer in the Department of Periodontics at the Faculty of Dentistry, Universitas Gadjah Mada (FKG UGM). drg. Osa completed her dentistry education at FKG UGM in 2015, followed by a Master's Program in Clinical Dental Science and a specialization in Periodontics at FKG UGM, which she completed in 2018 and 2020, respectively.

Specializing in clinical periodontics practice, drg. Osa earned her subspecialty in Periodontal Reconstruction and Implantology in 2023. In addition to her clinical activities, she focuses on periodontal regenerative therapy and homeostasis and has served as an Invited Foreign Researcher at Tokushima University.

As a lecturer, drg. Osa mentors and teaches both pre-clinical and clinical students. She is pursuing her doctoral studies at the Graduate School of Dentistry, Osaka University, Japan.