Cadbury, (George) Adrian Hayhurst (1929– )

English business executive and fourth generation member of the Cadbury family's confectionery company. Cadbury became a director of Cadbury Brothers in 1958 and chairman in 1965, directing the company's merger with the beverage company Schweppes in 1969. He was appointed joint managing director of Cadbury Schweppes in 1969, chairman in 1975, and retired in 1989. Former UK prime minister Margaret Thatcher then appointed Cadbury chair of the Committee on the Financial Aspects of Corporate Governance, formed to draw up the UK's first formal code of corporate governance, which published its Report and Code of Best Practice, later known as the Cadbury Report, in December 1992. Most elements of the code were adopted as part of the London Stock Exchange's listing rules for quoted companies.

Cadbury's publications include Family Firms and their Governance (2000), The Company Chairman (1990, revised in 1995), and Corporate Governance and Chairmanship: A Personal View (2002). He was a member of the Organization for Economic Cooperation and Development (OECD) Working Party on Corporate Governance (1995–98) and president of the Centre for Board Effectiveness at Henley Management College (1996–2000). Knighted in 1977, he was also a director of the Bank of England 1970–94 and IBM (UK) 1975–94, and chancellor of Aston University 1979–2004.

Cadbury was educated at Eton College and graduated from King's College, Cambridge, in economics. He rowed in the 1952 Olympics and won the Grand Trophy at Henley Royal Regatta in 1953. He attends seminars and gives lectures on corporate governance around the world.