She is the Chair of the Cybercrime Working Group of the Global Forum on Cyber Expertise (GFCE). She is also the Vice-Chairperson of the African Union Cyber Security Experts Group (AUCSEG) and has been actively involved in advising the African Union Commission (AUC) and African Member States on existing international, regional and national legal frameworks related to cybersecurity, as well as promoting cybersecurity in the region.
Nnenna serves as the African Union delegate to the United Nations Ad Hoc Committee to Elaborate a Comprehensive International Convention on Countering the Use of Information and Communications Technologies for Criminal Purposes and the United Nations Open-Ended Working Group (OEWG) on ICTs.