John W. Casella has served as Chairman of our Board of Directors since July 2001 and as our Chief Executive Officer since 1993. Mr. Casella also served as our President from 1993 to July 2001 and as Chairman of our Board of Directors from 1993 to December 1999. In addition, Mr. Casella has served as Chairman of the Board of Directors of Casella Waste Management, Inc., a wholly owned subsidiary of ours, since 1977. Mr. Casella is also an executive officer and director of Casella Construction, Inc., a company owned by Mr. Casella and his brother Douglas R. Casella, also a member of our Board of Directors, which specializes in general contracting, soil excavation and heavy equipment work, and which performs landfill-construction and related services for us. Mr. Casella has been a member of numerous industry-related and community service-related state, local, and national boards and commissions, including the Board of Directors of the Associated Industries of Vermont, the Association of Vermont Recyclers, the Vermont State Chamber of Commerce, the Rutland Industrial Development Corporation, the Rutland Regional Medical Center, the National Recycling Coalition, the Detachable Container Association and the Environmental Research & Education Foundation. Mr. Casella has also served on various state task forces, serving in an advisory capacity to the Governors of Vermont, New York, and New Hampshire on solid waste issues. Mr. Casella holds and Associate of Science degree in Business Management from Bryant & Stratton College and a Bachelor of Science degree in Business Education from Castleton University.

Mr. Battles was appointed to the Board in December of 2019 and is currently the Co-Chief Executive Officer and Co-President of Clean Harbors, Inc. (“Clean Harbors”), a leading provider of environmental, energy and industrial services throughout North America. Mr. Battles joined Clean Harbors in September 2013 as Senior Vice President, Corporate Controller and Chief Accounting Officer, and was promoted to Executive Vice President and Chief Financial Officer in January 2016 before being appointed as Clean Harbors' Co-Chief Executive Officer and Co-President in March 2023. In September 2024, Mr. Battles joined Clean Harbors’ Board of Directors. Mr. Battles previously served in a variety of senior financial positions at PerkinElmer Inc., a global leader in human and environmental health. Mr. Battles holds a BS in Business Administration with a concentration in Accounting from the University of Vermont and is a certified public accountant. He also has a Certificate in Cybersecurity Oversight issued by the National Association of Corporate Directors and Carnegie Mellon University.

Mr. Burke has served as a member of our Board since February 2008. From November 2015 until November 2023, Mr. Burke served as Senior Vice President and Chief Financial Officer of EndoGastric Solutions, Inc., a medical device company focused on developing and commercializing incisionless surgical technology for the treatment of gastroesophageal reflux disease. From January 2012 to June 2014, Mr. Burke served as Senior Vice President and Chief Financial Officer of Landauer, Inc., a publicly traded global provider of devices, consumable medical products and technical/analytical services. Prior to Landauer, Mr. Burke served as Senior Vice President and Chief Financial Officer of Albany International Corp., a publicly-traded global advanced textiles and materials processing company, from July 2009 to September 2010. Mr. Burke served as the Executive Vice President and Chief Financial Officer of Intermagnetics General Corporation, a publicly traded medical device company, from December 2001 until its sale to Royal Philips Electronics in November 2006. Before joining Intermagnetics General Corporation, Mr. Burke served as Executive Vice President and Chief Financial Officer of HbT, Inc., a manufacturer of hydrogen generators and processors. Prior to joining HbT in May 2000, Mr. Burke served as a Managing Director within the U.S. Investment Banking Department of CIBC Oppenheimer Corp. Mr. Burke holds a B.A. in Economics from Lake Forest College and a Graduate Certificate in Mergers and Acquisitions from The Wharton School.

Mr. Hulligan was elected to the Board in September 2015. Mr. Hulligan served as senior advisor to Progressive Waste Solutions Ltd., a waste management company, from March 2014 to August 2015, as President and Chief Operating Officer from January 2012 to March 2014, and as President USA and Executive Vice President of Florida operations from July 2010 to January 2012. Prior to joining Progressive Waste Solutions, Mr. Hulligan served as Executive Vice President of North America Operations of Waste Services, Inc., a solid waste services company, from June 2003 to July 2010. Prior to joining Waste Services, Mr. Hulligan also spent over 20 years at Waste Management, Inc., a provider of waste management services, where he held various senior management positions. Mr. Hulligan previously served as a member of the Board of Directors of two publicly-traded waste management companies, EarthCare Company and OHM Corporation. He has also served on the Board of Directors of the Environmental Industry Association as well as on the board of Trustees at John Carroll University and Bradley University. Mr. Hulligan holds a B.S. in Business Administration from John Carroll University. We believe Mr. Hulligan is qualified to serve on our Board due to his over 40 years of experience in the waste management industry, including extensive operational and executive experience.