Gareth studied at Chipping Campden Grammar School for his A levels (1953) and Oxford entrance (1954) and was a head boy for a year, winning the Townsend Scholarship to Pembroke College, Oxford.
After leaving school, Gareth was an officer in the RAF for his National Service, before going to Oxford to read Organic Chemistry, where he was captain of his college teams in rugby and tennis. In 1960 he married Maureen Simms, his girlfriend from CCGS, and they enjoyed 48 years of marriage, having three children. After his first degree, Gareth stayed at Oxford to do research, gaining his Doctorate in 1962.
Gareth joined Shell International after university, working in different aspects of the oil business in London and all around the world, including periods living in the US, Australia and Venezuela. Following a start in the laboratory, most of his career was spent in strategic planning. When he retired from Shell, Gareth became a Professor at St. Andrews University and founded the St. Andrew’s Management Institute.
Gareth’s main recreational pursuit was golf, which he played for most of his life. He had a single figure handicap for over thirty years. Following a stroke and a long battle with prostate cancer, Gareth died peacefully at home in 2009.