What company did John McKesson found?

John McKesson founded McKesson Corporation (1833).

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Founder Profile

John McKesson

McKesson Corporation · 1833

Last reviewed: October 2026 · By Swet Parvadiya

Background

New York wholesale drug merchant who had worked in the drug trade before co-founding his own firm.

Founding Story

John McKesson co-founded Olcott & McKesson in New York City in 1833 with Charles Olcott, importing and wholesaling drugs and chemicals. After Olcott's death and the arrival of partner Daniel Robbins, the firm became McKesson & Robbins in 1853, the name it carried into the 20th century.

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