Tharmini is a dedicated and principled advocate, committed to achieving practical solutions for her clients. She has successfully worked on matters before the provincial and superior courts in Ontario. Tharmini has been working exclusively in the area of family law since 2017.

Tharmini received her Juris Doctor from the University of Ottawa and was called to the Ontario Bar in 2017. During her studies, she received the Greenberg Fellowship, and worked as a caseworker in the Criminal Injuries Division of the University of Ottawa Community Legal Clinic. Prior to her legal studies, Tharmini studied political science and obtained an Honours Bachelor of Arts with distinction from York University, and Master of Arts from the University of Western Ontario, where her research focused on transitional justice in post-conflict societies.

Tharmini has remained actively involved in her community throughout her studies and career. She has volunteered with the Barbra Schlifer Commemorate Clinic offering immediate support to family law litigants as a part of their Family Court Support Program, and the Council of Agencies Serving South Asians (CASSA) as a community engagement worker. She is presently serving as a member of the Board of Directors for the YWCA Toronto.