Eric W. Gerstenberg was appointed as the Company's Co-Chief Executive Officer and Co-President effective March 31, 2023 and has been a member of the Board since August 2024. Prior to his current role, Mr. Gerstenberg served as the Company's Chief Operating Officer since January 2015. Mr. Gerstenberg started with the Company in 1989 in Field Operations. From 1989 to 1997, he held a variety of management positions, including General Manager of multiple facilities. From 1997 to 1999, Mr. Gerstenberg was the Vice President of Operations for Pollution Control Industries, a privately-owned environmental services company. Mr. Gerstenberg rejoined the Company in June 1999 as Executive Vice President - Environmental Services and became President, Environmental Services in June 2014. Mr. Gerstenberg holds a BS in Engineering from Syracuse University. In 2017, he attended and received certification at the Harvard Business School Advanced Management Program (AMP193). Skills and Qualifications: Mr. Gerstenberg has accumulated extensive experience in operations, safety, strategy, and business development through his various roles at the Company and his engineering background.