He was later promoted to Senior Lecturer in the same institution.
He was promoted to Senior Lecturer, and then Reader in 1976.
He was promoted from the position of Lecturer to Senior Lecturer in 1987.
In 1969 she was promoted to Senior Lecturer, and in 1975 to Reader.
He was promoted in 1981 to Senior Lecturer (Economics) there a position which he retained until 1993.
In 1967 he was promoted to Lecturer, and in 1971 moved to the University of Cambridge.
In 1971, he was tenured and promoted to Senior Lecturer.
In 2011, she was promoted to Senior Lecturer.
He was promoted to Lecturer in the following year.
He was subsequently promoted to Senior Lecturer, then Reader, and finally Professor in 2007.