Initially a research mathematician and senior systems technologist at Pilkington Plc (1964-70). Joined Warwick Business School in 1970 as a lecturer. Chair (Head) of WBS 1978-81 and Dean 1998-2000. Visiting Fellow at Technische Hogeschool Twente, Enschede (1977) and Visiting Professor at the University of Texas, Austin (1982). Pro-Vice Chancellor of the University 1989-95 and 1999-2005. Chair of the Committee of Professors of Operational Research (1995-7) and President of the Operational Research Society (1998 and 99). Elected a Companion of Operational Research (2007). Board Member of the Coventry Partnership (1998-2005). Governor of Kenilworth School 1989-98, Chair of Governors (1993-97) and a presently a Trustee. An Editor of the European Journal of Operational Research since 2006.