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Founder Profile

James O. McKinsey

Last reviewed: October 2026 · By Swet Parvadiya

Who is James O. McKinsey?

James O. McKinsey is a founder of McKinsey & Company, which was founded in 1926 with Marvin Bower.

Company founded
McKinsey & Company
Founded
1926
Co-founders
Marvin Bower

Background

James O. McKinsey was an academic who specialised in corporate accounting and finance. He wrote early textbooks on managerial accounting before he founded his firm.

Founding Story

James O. McKinsey was an American accounting professor at the University of Chicago and the founder of McKinsey & Company. He saw that large companies managed their finances inefficiently, and in 1926 he opened his firm in Chicago. He applied accounting principles and data to questions of corporate strategy, an approach that helped define management consulting as a profession.

James O. McKinsey was born in 1889 in Gamma. Education: University of Arkansas; University of Central Missouri; Saint Louis University.

Sources

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.