[1][2][3] He was appointed on 19 June 2023 by President Bola Tinubu to succeed Lieutenant General Faruk Yahaya.
Lagbaja was born in the town of Ilobu in Irepodun, present day Osun State on 28 February 1968.
He spent his early life in Osogbo where he attended the St Charles Grammar School and Local Authority Teachers College.
In 2009, he became Deputy Chief of Staff G1 at Headquarters 81 Division and subsequently, he became Commanding Officer at 72 Special Forces Battalion Makurdi from 2012 to 2013 and 2014 to 2015.
Earlier in 2008, he attended the Military Observers Course on Peacekeeping Wing at the Nigerian Army School of Infantry Jaji (February – May 2008) and ECOWAS Standby Force Battalion Command Post Course – Peacekeeping Centre, Bamako, Mali – (June – August 2010).