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Thomas L. Williams

Also Known As Williams, Thomas Williams

Thomas L. Williams's profile picture

Thomas L. Williams is Chairman & Chief Executive Officer of Parker Hannifin ( PH ) 

Previous to his most recent position, he was Executive Vice President and Operating Officer with responsibility for Parker’s Aerospace, Engineered Materials, Filtration, Instrumentation and Asia Pacific groups, along with the Strategic Pricing department.

Mr. Williams has demonstrated successful leadership in two of Parker’s operating groups, as Vice President of Operations for the Hydraulics Group and then President of the Instrumentation Group. 

Mr. Williams joined Parker Hannifin in 2003. Prior to that, he held a number of key management positions at General Electric. 

He is a member of the Board of Directors for the Make-a-Wish Foundation, a non-profit organization making wishes come true for terminally ill children and a member of the Board of Directors for Chart Industries, a leading independent global manufacturer of highly engineered equipment used in the production, storage and end-use of hydrocarbon and industrial gases. He is also on the Board of Trustees for the Manufacturers Alliance for Productivity and Innovation (MAPI), a leading business research and executive education organization and advocate for manufacturing interests


  • Mechanical Engineering degree - Bucknell University
  • MBA - Xavier University


  • Parker Hannifin - CEO
  • Parker Hannifin - Chairman