Buhari IApril 2015 — June 2016· 18th indigenous IGP
Solomon Arase
IGP under Buhari I; oversaw the Force's input into the 2016 National Anti-Corruption Strategy.
The record
Solomon Ehigiator Arase was appointed by Jonathan in April 2015 but served his full tenure under Buhari, retiring in June 2016. He later chaired the Police Service Commission from 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.