June 2019 – September 2020: Postdoctoral Researcher, Department of Chemical Sciences (formerly Department of Applied Chemistry), University of Johannesburg, Doornfontein Campus, South Africa

February 2017 – May 2019 Tutor, Department of Chemical Sciences (formerly Department of Applied Chemistry), University of Johannesburg, Doornfontein Campus, South Africa

September 2010 – August 2011 Research and Teaching Assistant Department of Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana