Prior to joining ClearSign as a member of the Board of Directors in 2011 and as Chairman of the Board of Directors and Chief Executive Officer in 2015, Mr. Pirnat was Managing Director of Europe, the Middle East and African operations at Quest Integrity Group, a division of Team, Inc. (NYSE: TISI), which provides asset integrity management and asset reliability solutions in the refinery, chemical, petrochemical, pipeline and power industries worldwide. From 2009 to 2011, he was President of Quest Integrated Inc., a technology incubator and boutique private equity firm. From 2000 to 2009, Mr. Pirnat served as President & CEO of the John Zink Company, LLC, a wholly owned subsidiary of Koch Industries and a worldwide leader in the supply of combustion and air pollution control equipment to the energy industry. Mr. Pirnat, a long-time executive with Ingersoll-Rand and Ingersoll-Dresser Corporation, went to John Zink from a previous post as President & CEO of Pangborn Corporation, a leading supplier of surface preparation equipment and associated services to the automotive and aircraft industries. Mr. Pirnat began his career as an applications engineer with the Pump and Condenser Group of Ingersoll-Rand, where he advanced through a variety of sales, marketing, engineering, and operational positions with that company and its successor, Ingersoll-Dresser. These positions included Vice President of Ingersoll-Rand’s Standard Products Division, Vice President of Marketing for Ingersoll-Dresser Pumps, President of Ingersoll-Dresser Pumps Canada Ltd., and Vice President & General Manager of Ingersoll-Rand Engineered Equipment Division. Mr. Pirnat received a BSc. in Mechanical Engineering from the New Jersey Institute of Technology. He serves on the board of directors of AZZ Incorporated (NYSE:AZZ).  

 Mechanical engineering