[3] Cadbury had two marriages; in 1956, he married Gillian Skepper, who died in 1992, and with whom he had two sons and a daughter.
Cadbury's report advocated a clear division of responsibilities at the head of a company so that no one individual had too much power.
His publications include: Ethical Managers Make Their Own Rules; The Company chairman; Corporate Governance and Chairmanship: A Personal View.
As chancellor emeritus, Sir Adrian contributed to undergraduate and postgraduate courses, speaking in particular on governance, business ethics and corporate social responsibility.
In early 2008, Sir Adrian was made an honorary fellow of the Institute of Chartered Accountants in England and Wales (ICAEW).
[10] Sir Adrian was a steward of Henley Royal Regatta and the president of Birmingham Rowing Club.