Roger Carter has had a varied career, including working as a studio manager at the BBC, working for the British Overseas Civil Service in the Solomon Islands, and running his own business. From 1975 to 2000 he was a lecturer at what is now the Buckinghamshire New University, and during this time he wrote 20 student textbooks, including Quantitative Methods for Business Students, and Business Administration for the Computer Age (both published by Heinemann) as well as books on information technology and computer software (various publishers).
He is now retired and lives with his wife Sandra in Buckinghamshire, England. They have two children and five grandchildren.
In 2018 he helped set up the Bourne End & District U3A and became its first Chair, and in 2021 was appointed its Honorary President..