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SEC data last refreshed 22 Aug 2026, 17:12 UTC
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Parker Hannifin (PH) CEO History | CEO Tracker
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Parker Hannifin
PH
Industrials
NYQ
$116.3B
PH SEC filings last scanned 22 Aug 2026, 16:41 UTC
CEO Timeline
Jennifer A. Parmentier
Current
Jan 2023 — Present
(3y 8mo)
Jennifer A. Parmentier was appointed Chief Executive Officer of Parker-Hannifin Corporation, effective January 1, 2023, succeeding Thomas L. Williams.
1 source filing — click to expand
Thomas L. Williams
Feb 2015 — Jan 2023
(7y 11mo)
Thomas L. Williams was appointed CEO of Parker-Hannifin Corporation, effective February 1, 2015, succeeding Donald E. Washkewicz.
planned retirement
3 source filings — click to expand
Donald E. Washkewicz
Jan 1997 — Feb 2015
(18y 1mo)
planned retirement
2 source filings — click to expand