Geshe Tharkey holds Karampa (B.A.), Lopon (M.A.) and Lharampa degree which is equivalent to Doctorate in Buddhist Philosophy from Sera Je Monastery in the year 2004, 2006 and 2009 respectively and teaches in Mool Shastra, Faculty of Hetu and Adhyatma Vidya. His teaching area involves tenets of the four Indian Buddhist Philosophical Schools: Madhyamaka, Yogacara, Sautrantika and Vaibhashika; consisting the subjects of Buddhist Pramana, Madhyamika, Paramita and Buddhist Ethics.

His research interest includes major works of Nalanda masters and Buddist Tantara. He has deep knowledge in the works of Jetsong Khapa and Jetsun Choekyi Gyaltsen.