[1] Harrower was educated at the University of Melbourne and worked as a petroleum engineer and industrial consultant.
In 1979, he went with the Church Missionary Society to Argentina, where he worked with university Christian groups.
[3] Harrower returned to Australia in 1988 and became successively the Vicar of Glen Waverley and Archdeacon of Kew before his appointment to the episcopate in 2000.
His role involved document preparation, research, attendance at related meetings, assisting the Primate in his pastoral care to Australian bishops, and responsibility for the Archbishop's external media and communications.
[6] Harrower retired from the role when Freier's term as Primate ended on 31 March 2020.