People: Local Government & Authorities
Edward A. Ellinger, P.E.
Chief Operations Officer
Brian D. Emberg, P.E.
Senior Vice President
Matthew S. Bonanno, P.E.
Assistant Vice President
Douglas E. Weikel, P.E.
Construction Services
Jeffrey R. Garrigan, P.E.
Assistant Vice President
Benjamin L. Gilberti, P.E.
Municipal Services
Chad E. Hanley, P.E.
Water & Wastewater
Adrienne M. Vicari, P.E.
Strategic Management & Capital Solutions
Justin Mendinsky, P.E.
Water & Wastewater
Tim Staub, AICP
Assistant Vice President
Mark Spatz, P.E.
Planning & Design
Cory J. Salmon, P.E.
Group Manager | Water & Wastewater
Joel Schmoyer
Civil Engineering
George White
Civil Engineering
Erin G. Letavic, M. Eng., P.E.
Municipal Services
Randy T. Watts, P.E.
Civil Engineering