Mba was formerly a Chief Superintendent of Police.
Mba studied law at the University of Lagos, and was called to the Nigerian Bar in 2002. The police spokesman, who hails from Ezimo in Udenu Local Government Area of Enugu State, was the best graduating cadet inspector in academics at the Police Academy, Kano, in 1993.
He rose up the police ladder and was promoted to assistant superintendent of police in 1999, deputy superintendent of police in 2003, superintendent of police in 2006 and chief superintendent of police in 2012. He was the substantive police public relations officer, Lagos State police command, from 2007 to 2011.
Other senior officers decorated with new ranks were Assistant Inspector General of Police (AIG), Grace Chita Okudo, Commissioner of Police (CP) Elias Okafor Wayemeru, CP Henry Adebayo Fadairo and ACP Yusuf Chiromawa Usman.
While congratulating the newly-promoted officers, the IG, according to the News Agency of Nigeria (NAN)emphasised the need for greater commitment to the current fight against terrorism and all forms of crimes and criminality.
He charged the officers to justify their elevation by rededicating themselves to their core mandate and the advancement of the positive image of the force.