
John C. Mowry, P.E.
| President
John joined KLH in 1994 as a resident observer and worked his way up to Process Engineer and Project Manager. In 2002 he was elected to a Vice President position. He has worked in planning, design, permitting, and construction administration in a vast number of municipal, water and wastewater projects. John is a Client Manager for some of KLH’s longest-standing clients.

David A. Coldren, P.E.
| Vice President
Dave has successfully served as designer, project engineer, and project manager, responsible for water and wastewater projects servicing from 250 customers to 17,000 customers. He has been a Principal of the firm since 2017 and holds a Vice President position.

Joseph M. Gianvito, P.E.
| Vice President
Joe, who became partner in 2020, has over 20 years experience in water/wastewater project planning, design, permitting, construction administration as well as treatment plant startup and troubleshooting operational issues. In addition to his management responsibilities, Joe is a lead process engineer for KLH treatment plant projects.