In 1928, Charles Jocelyn Hambro was elected as a Non-Executive Director of the Bank of England. From 1932 to 1933, he was temporarily an Executive Director of the bank. He continued to serve as a Non-Executive Director of the Bank of England until 1963.

Charles Jocelyn Hambro. Bank of England. Report for the year ended 28th February 1961 at bankofengland.co.uk:
https://www.bankofengland.co.uk/-/media/boe/files/annual-report/1961/boe-1961.pdf

“COURT OF DIRECTORS
FOR THE YEAR ENDED 28TH FEBRUARY 1961.

GEOFFREY CECIL RYVES ELEY, ESQ., C.B.E.
SIR CHARLES JOCELYN HAMBRO, K.B.E., M.C.
SIR JOHN COLDBROOK HANBURY·WILLIAMS. C.V.O.”


Charles Jocelyn Hambro Record at bankofengland.co.uk:
https://www.bankofengland.co.uk/CalmView/Record.aspx?src=CalmView.Persons&id=DS%2FUK%2F123&pos=4
“Surname: Hambro
Forenames: Charles Jocelyn
Activity: Educated at Eton, Hambro served in the Coldstream Guards during the First World War, winning a Military Cross. He was closely involved with the family firm, C.J. Hambro & Son (from 1921, Hambros Bank), and he was also a Director of the Great Western Railway (1928 - 1945). Hambro joined the Court of the Bank as a Non-Executive Director in 1928 and from 1932 to 1933 was an Executive Director. He refused the chance to succeed Montagu Norman as Governor in 1937. Hambro continued to serve as a Non-Executive Director until 1963.”

https://en.wikipedia.org/wiki/Hambros_Bank
https://en.wikipedia.org/wiki/Category:Hambro_family