Chief of Staff· 2010 — 2015
Mike Oghiadomhe
Former Deputy Governor of Edo State (1999–2003). Chief of Staff to President Jonathan for the duration of his administration.
The record
Mike Oghiadomhe served as Deputy Governor of Edo State (1999–2003) under Lucky Igbinedion before joining the Presidency. He was Chief of Staff to President Jonathan from 2010 to 2015.
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.