On October 31, 2023, the Board of Directors of Casella Waste Systems, Inc. appointed Bradford J. Helgeson as a Chief Financial Officer of the Company, effective November 6, 2023. Mr. Helgeson previously served as the Executive Vice President and Chief Financial Officer of Covanta Holding Corporation, a waste and energy services company (?Covanta?), from November 2013 until June 2022. Prior to that, he served as Vice President and Treasurer of Covanta from May 2007 to November 2013.

Mr. Helgeson started in the environmental services industry as the Vice President of Finance and Treasurer at Waste Services, Inc. from 2004 to 2007 after an investment banking career at Lehman Brothers and Donaldson, Lufkin & Jenrette from 1998 to 2004. Mr. Helgeson holds a Bachelor of Arts degree in Economics and History from Bowdoin College.