[1] Three years later he became a lecturer in economics at City University, remaining in that role for nearly a decade until his appointment as Professor of Banking and International Finance at the same institution in 1977.

[3] He taught at Regent College on biblical economics in 1979,[4] and wrote The Creation of Wealth: A Christian's Case for Capitalism in 1984.

[5] Griffiths is a fellow of Sarum College and delivered the 2011 Niblett Memorial Lecture there on "A Christian Reflection on the Financial Crisis".

[8] He remained Director of the Number 10 Policy Unit for the remainder of Thatcher's term as prime minister.

He was created a life peer as Baron Griffiths, of Fforestfach in the County of West Glamorgan on 5 February 1991.