Kearney vs McKinsey 2026: The Siblings That Diverged for 80 Years
Kearney and McKinsey share a 1926 ancestor. Tom Kearney was the first partner James O. McKinsey hired, and after McKinsey died in 1937, the firm split into pieces. Marvin Bower took one piece and built the McKinsey & Company we know today. Tom Kearney took another piece and renamed it A.T. Kearney in 1947. Eight…
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