Mark E. Reinhardt, Principal
James A. Salvito, Principal
Jeffrey L. Edwards, Principal
Gregory A. Chelini, Principal
Shawn M. Kowalewski, Principal




Mark E. Reinhardt, P.L.S., Principal Surveyor

Mark is MNS's Principal Surveyor, and oversees all of the firm's Survey, Mapping and Geographic Information Systems (GIS) work. He has over 24 years of experience in land surveying. Along with managing a variety of types of surveys, he is the contract City Surveyor for two cities. Mark also has extensive expertise in Right of Way Engineering and has provided ROW engineering services and ROW certification documents on several highway and bridge projects in California. Mark also assists agencies, attorneys and property owners with resolution of land use and boundary disputes.


James A. Salvito, Principal Construction Manager

Jim is a Principal at MNS with over 17 years of experience in civil and transportation engineering design, construction management and geotechnical engineering. He is the Principal that oversees the Design and Construction Management divisions of MNS. Jim has worked on various public infrastructure projects including new construction of and improvements to roadways, bridges, buildings, parking lots, traffic signals, water lines, sewage collection facilities, storm drain systems, parks and utility under grounding projects. He also provides program management and construction claims analysis services to public agency clients.


Jeffrey L. Edwards, Principal Project Manager

Jeff brings a highly diverse background to MNS, with expertise in project and construction management, civil engineering, soils engineering, urban planning, landscape architecture, and construction inspection. In his current capacity, Jeff manages MNS's Buellton office and serves as the Deputy City Engineer for the City of Buellton, where he manages the City's capital improvement projects. In addition, Jeff is the firm's project manager for construction management work performed for the US Air Force at Vandenberg AFB.


Gregory A. Chelini, Principal Construction Manager

Greg is a Principal Construction Manager at MNS. In addition to managing the firm's Construction Management group, Greg's role includes project and construction management, construction contract administration, constructability reviews, cost estimating and tracking, plan and specification review, report preparation and construction claims analysis. He brings to MNS twelve years of Structure Representative and Resident Engineer experience while working for the California Department of Transportation (Caltrans).


Shawn M. Kowalewski, P.E., Principal Engineering Manager – Santa Barbara

Shawn manages the engineering group in the Santa Barbara office. He joined MNS in 1995, bringing knowledge gained while working for the New York State Department of Transportation. His broad range of experience encompasses civil engineering and construction management of a variety of public infrastructure projects. His current responsibilities include project management, civil engineering design, structural design and analysis, cost estimating, plan and specification review, and report preparation.