About Oliver John
Born 1959. Oliver John is an American psychologist, researcher and university teacher, known for Big Five personality traits.
Oliver Peter Martin John (born February 9, 1959) is an American personality psychologist and professor of psychology at the University of California, Berkeley. He is known for co-developing the 1998 Big Five Inventory.
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Important facts
People in Oliver John's life
Named in this biography and alive at the same time
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped Oliver John's
Frequently asked questions
Who is Oliver John?
American psychologist
When was Oliver John born?
Oliver John was born on 9 February 1959.
What is Oliver John's occupation?
Oliver John is a psychologist, researcher and university teacher.
What is Oliver John known for?
Oliver John is known for Big Five personality traits.
What nationality is Oliver John?
Oliver John is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Oliver John. https://biography.guide/oliver-john/
MLA: "Oliver John." Biography.guide, https://biography.guide/oliver-john/.
Chicago: "Oliver John." Biography.guide. https://biography.guide/oliver-john/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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