National Security Adviser· 2015 — 2023
Maj.-Gen. Babagana Monguno (rtd)
Career intelligence officer. NSA under Buhari for two full terms, 2015–2023.
The record
Major-General Babagana Munguno (b. 1955), career military intelligence officer and former Director of Defence Intelligence, served as National Security Adviser to President Muhammadu Buhari from 13 July 2015 to 29 May 2023.
Methodology
Tier 1 · primary
Courts. Gazettes. National archives.
Tier 2 · corroborating
OCCRP. HRW. BudgIT. TheCable.
Tier 4 · tertiary, flagged
Wikipedia only where primary is pending. Always labelled.