Gregory Hill, P.E., President

With over 20 years' experience in the design and construction of water and sewer projects, Greg is a senior-level advisor to Roth Hill's clients as well as President of the firm.

Greg has extensive experience in long-range comprehensive capital facility and water supply planning, policy development, construction claims resolution as well as contract negotiations. Greg serves as the District Engineer for both King County Water District No. 111 and Soos Creek Water & Sewer District, and as Senior Engineering Advisor for the City of Carnation.

Bill Holladay

Christopher Schmidt, P.E.

Laurie Fulton, P.E.

Erik Brodahl, P.E.

Erik Waligorski, P.E.