George Adrian Hayhurst Cadbury was a member of the elite Cadbury bloodline. John Cadbury founded the chocolate company Cadbury in 1824, and the family continued to run his business for over a century. George Adrian Hayhurst Cadbury was the chairman of Cadbury and Cadbury Schweppes for 24 years.

Cadbury was also a director of the Bank of England from March 1, 1970 until February 28, 1994.

George Adrian Hayhurst Cadbury. Bank of England Report and Accounts 1990 at bankofengland.co.uk:
https://www.bankofengland.co.uk/-/media/boe/files/annual-report/1990/boe-1990.pdf

“Court of Directors
1 March 1990
Date of first Appointment, Expiry date of current appointment

The Hon Sir John Francis Harcourt Baring KCVO
(Non-executive Director, Baring Brothers & Co Ltd)
1 March 1983, 28 February 1991

Sir George Adrian Hayhurst Cadbury
(Chairman, PRONED)
1 March 1970, 28 February 1994”

Anthony Lauric Coleby
(Executive Director)
1 March 1990, 28 February 1994”

https://en.wikipedia.org/wiki/Cadbury_family
https://en.wikipedia.org/wiki/Cadbury
https://en.wikipedia.org/wiki/Adrian_Cadbury