Until his appointment, Gen. Nwachukwu was the Acting Director of Defence Information, at the Defence Headquarters.
He was the Deputy Director Public Relations, Headquarters Theatre Command Operation LAFIYA DOLE, now Operation HADIN KAI.
The new army spokesperson is an alumnus of the University of Ibadan and holds a Masters Degree in International Affairs and Strategic Studies from the Nigerian Defence Academy (NDA) Post Graduate School Kaduna.
He also has a post-graduate diploma in Advertising and Public Relations from the International Institute of Journalism, Abuja.
He is a member of the Nigerian Institute of Public Relations and has attended several military and professional courses as well as seminars within and outside the country.
Nwachukwu once served as the Media Coordinator, Joint Task Force Operation Pulo Shield.