Biography

Jeffry D. Frisby is the Executive Chairman of PCX Aerostructures, LLC doing business as PCX Aerostructures, a leading provider of flight critical mechanical systems and components for rotorcraft and fixed wing aerospace platforms, since September 2021; having served as President and Chief Executive Officer from April 2017 until September 2021. He has also been a member of PCX’s Board of Directors since February 2016. Prior to joining PCX, Mr. Frisby spent 17 years with Triumph Group, Inc., a public company that manufactures aerospace structures, systems and components. He served as President and CEO and previously held a variety of positions within the Triumph Group and a predecessor group company, Frisby Aerospace, Inc. Mr. Frisby has served on Quaker Houghton’s Board since 2006, is Chair of the Sustainability Committee and also serves as a member of the Compensation and Human Resources Committee. Mr. Frisby has also been the Company’s Lead Director since 2023. He currently serves as a member of the board of directors of Astronics Corporation and PCX Aerostructures, LLC.