Jennifer A. Parmentier is Chief Operating Officer of Parker Hannifin Corporation in Cleveland, OH.

Mrs. Parmentier became Chief Operating Officer in 2021. Previously, she was named Vice President and President - Motion Systems Group in 2019 with responsibility for all fiscal and strategic aspects of the group's global operations. She also served as Vice President and President - Engineered Materials Group. Since joining Parker in 2008, she has held a variety of operational roles including General Manager of the Sporlan Division, part of the Instrumentation Group, and General Manager of the Hose Products Division in the Fluid Connectors Group. Prior to joining Parker, Parmentier was Business Leader for Ingersoll Rand Trane Residential Systems. Previously, she held operational leadership positions with Magna Corporation.

Mrs. Parmentier holds a Bachelor of Arts in Management from Webster University and an Executive MBA from Loyola Chicago Quinlan School of Business.

She currently serves on the Board of Nordson Corporation, the National Fluid Power Association, the ALS Association Northern Ohio Chapter, and the Cuyahoga County Public Library Foundation.