About John Duffield
Born 1939. John Duffield is a businessperson.
John Lincoln Duffield (born 1939) is a British financier. He founded Jupiter Fund Management, one of the largest fund managers operating in London.
Career The second son of physician and psychiatrist John Elwes Duffield (1910–2009) and his first wife, Jean Edwina (née Stellman), Duffield was educated at Harrow School and then took a degree in biochemistry at the University of Oxford. After this, he went into investment management and, having become manager of his wife's estates, moved to Switzerland as a tax exile.
He founded Jupiter Asset Management in 1985. After selling Jupiter Asset Management to Commerzbank, he founded New Star Asset Management in 2001.
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Important facts
People in John Duffield's life
Named in this biography and alive at the same time
Contemporaries
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Frequently asked questions
Who is John Duffield?
British financier
When was John Duffield born?
John Duffield was born in 1939.
What is John Duffield's occupation?
John Duffield is a businessperson.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). John Duffield. https://biography.guide/john-duffield/
MLA: "John Duffield." Biography.guide, https://biography.guide/john-duffield/.
Chicago: "John Duffield." Biography.guide. https://biography.guide/john-duffield/.
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