Tonny is a legal practitioner and academic in the fileds of public international law and international relations. His PhD in law research at the University of Portsmouth focuses on NGOs and transitional justice. He previously worked as a visiting professional in the Office of the Public Counsel for Victims at the International Criminal Court. 

He holds an LLM in International Human Rights Law from the University of Notre Dame (United States), and a bachelors degree in Law from Uganda Christian University. He was admitted to the Ugandan Bar in 2014 and practices as a barrister and solicitor in the High Court of Uganda and all courts of judicature.  He is involved in international human rights work, including participation in UN Human Rights sessions in Geneva. 

He is also a research affiliate with the Refugee Law Initiative at the Unversity of London, and was a visiting fellow at the University of Copenhagen. He has collaborated with Leiden Law School's Grotius Centre for International Legal Studies as an expert on the Tracing Inherent Powers Project. He has taught undergraduate Law courses at the University of Greenwich, the University of Portsmouth and Royal Holloway, University of London.