The Team

Capital Region Water Leadership

Charlotte Katzenmoyer, Chief Executive Officer

Charlotte graduated from the University of Akron with a Bachelor of Science in Civil Engineering and graduated from Lehigh University with Master of Science in Environmental Engineering. She has over 20 years of experience in the water industry and most recently led a team of 200 employees as Director of Public Works with the City of Lancaster. While in Lancaster, Charlotte oversaw the modernization of its water and sewer infrastructure and developed a nationally recognized green stormwater infrastructure program.

Douglas Keith, Chief Financial Officer

Doug received his Bachelor of Science in Quantitative Business Analysis from Pennsylvania State University with a Minor in Economics. He has over 16 years of financial and leadership experience in the water and wastewater industry and oversaw $124 million in financing for wastewater treatment plant upgrades at the Williamsport Sanitary Authority.


David W. Stewart, P.E., BCEE, Director of Engineering

Dave received his BS in Civil & Environmental Engineering from Pennsylvania State University. He is a licensed Professional Engineer (P.E.) and a Board-Certified Environmental Engineer (American Academy of Environmental Engineers). Dave has over 20 years of water engineering experience. He serves as the Director of Pennsylvania Municipal Authorities Association (PMAA), Region 4, and Chairman of the Northwestern Lancaster County Authority.

Jess Rosentel, Director of Wastewater Operations

Jess has over 15 years of experience in the wastewater industry and successfully implemented over $50 million of improvements to Capital Region Water’s Advanced Wastewater Treatment Facility. He oversees the operations of Capital Region Water’s wastewater system serving 120,000 people in the Harrisburg area, including the largest wastewater treatment plant in Pennsylvania within the Chesapeake Bay watershed.

Michelle Bethel-Miller, Director of Shared Services

Michelle holds a B.S. in Accounting with a minor in Public Relations from Kutztown University and an MBA in Human Resource Management from the University of Phoenix. She has over 20 years of Customer Service & Collections experience. Most recently, she was responsible for 165 employees with the core function of the daily generation and collection of Water/Sewer/Stormwater bills for the City of Philadelphia’s 500K+ customers.

Tanya Dierolf, Director of Strategic Initiatives

Tanya graduated from Juniata College with a Bachelor of Arts in Environmental Studies and graduated from Antioch University with a Master of Science in Environmental Studies. She was first hired at Capital Region Water to serve as the sustainability manager and is a certified Sustainability Associate through the International Society of Sustainability Professionals (ISSP-SA). Tanya also serves as a member of the City of Harrisburg’s Environmental Advisory Council.