Josiah was raised in a Christian home in Kenya, East Africa. He attended Kenyatta University in Nairobi (B.A). He relocated to the US in 2008 where he attended Reformed Theological Seminary in Orlando (M.Div.). Josiah served as the Associate Pastor of Grace Reformed Presbyterian Church until December, 2019, after which he moved to a call with New City Fellowship in Chattanooga, TN. Besides teaching, preaching and playing music, Josiah enjoys watching his favorite soccer team Chelsea while sipping on a good cup of Kenyan tea.