Brig Gen Jackson Wonje was enlisted into the Ghana Military Academy in 1990 and was commissioned into the Infantry Corps on 14 August 1992. He has served in various capacities in the Ghana Armed Forces.
These include Platoon Commander and A/Officer Commanding at the 5th Infantry Battalion. He served as platoon Commander, Adjutant and Officer Commanding Special Investigations Branch at Ghana Military Police and as GSO III at the Support Services Brigade.
Other appointments include Directing Staff - GAFCSC (Jnr Div) from September 2009 to August 2010, Directing Staff - GAFCSC (Snr Div) from September 2011 to August 2012, and Directing Staff - Armed Forces Command and Staff College, Nigeria from August September 2012 to September 2014. He was the first Command Operations Officer of the newly established Northern Command from October 2014 to July 2016.
Brig Gen Jackson Wonje served as Course Director at KAIPTC from July 2016 to November 2016. He was Commander of Operation Vanguard from August 2018 to January 2019. He was the Chief Instructor - Army Faculty from January 2019 to January 2021 at the Ghana Armed Forces Command and Staff College.
He was seconded to the Rwanda Defence Force Command and Staff College as Director of Studies and Head, Research and Development from February 2021 to March 2023. He served as the Assistant Commandant - Research and Doctrine at the Ghana Armed Forces Training and Doctrine Command (TRADOC) from March 2023 to July 2023, and as Chief of Staff, Ghana Boundary Commission from August 2023 to June 2024. Before his current appointment as Acting Commandant Ghana Armed Forces Command and Staff College, he was the Provost Marshal, Ghana Armed Forces.
Brig Gen Wonje has completed all career progression courses commensurate with his rank. These include the Intelligence Officers Course, Young Officers’ Course, and Military Police Investigator Course and Crisis Negotiation Course at Fort Leonard Wood, Missouri, United States. Others include Combat Team Commanders’ Course, Junior Staff Course and Senior Command and Staff Course at the Ghana Armed Forces Command and Staff College. He also attended the Transnational Organised Crime Course at the Marshal Centre in Germany.
Brig Gen Wonje has a rich experience in international peacekeeping, having served with the ECOWAS mission in Liberia and Sierra Leone and the United Nations Peacekeeping Missions in Rwanda, Lebanon, Sierra Leone, Western Sahara, and Cote d’Ivoire. He served with the United Nations Interim Force in Lebanon (UNIFIL) as Chief Technical Investigations Cell where he set up the new cell conducting technical investigations into violations of United Nations Security Council Resolutions.
Academically, he holds both Post Graduate Certificate and Post Graduate Diploma in Public Administration from the Ghana Institute of Public Administration, a Bachelor of Laws (LLB) (Hons) from the University of London, UK and a Master of Laws (LLM) from the University of Ghana. He was called to the bar in 2018.
Brig Gen Wonje enjoys reading and analysing geopolitical issues in his spare time.