Greg Gesell is a professional engineer with a BS degree from the University of Nebraska and an MBA from the University of Nebraska at Omaha. He has worked in the solid waste industry for more than thirty-five years. He spent nearly six years working for HDR in the mid-1980s focused primarily on waste-to-energy (WTE) projects and related technologies. Greg then worked for American Ref-Fuel Company, an owner/operator of WTE facilities in various capacities for sixteen years before returning to HDR where he is currently employed. He has written and presented a number of papers on various solid waste topics throughout his career. Greg is currently serving on the Waste Conversion and Energy Recovery (WCER) Technical Division as the Advisory Board Delegate and works with ASME on select technical issues related to WTE facilities regarding performance testing and PFAS.