MNS ENGINEERS - Key Persons


Gregory A. Chelini

Job Titles:
  • Construction Manager
  • Principal
  • Vice President - Construction Management
Greg, a Principal Construction Manager at MNS, is responsible for managing the firm's Construction Management group. Greg brings over 33 years of construction management and engineering experience in managing a variety of public works projects including highways, roadways, bridges, interchanges, water and wastewater facilities, drainage, and park projects.

James A. Salvito - CEO, President

Job Titles:
  • CEO
  • President
Mr. Salvito has over 35 years of experience in civil and transportation engineering design, construction management, and business operations/organizational management.

James M. Ryan

Job Titles:
  • Principal Surveyor
James oversees the firm's survey, mapping, and Geographic Information Systems (GIS) work. He has over 20 years of experience in land surveying. Most recently, James served as the City and County Surveyor of San Francisco guiding developers, attorneys, and other city agency staff on all subdivision matters for large redevelopment projects in the City and County of San Francisco. His responsibilities included oversight and management of a $5M+ annual budget in support of the agency's $352M annual operating budget.

Jeffrey L. Edwards

Job Titles:
  • Project Manager to Oversee Vandenberg SFB 's IDIQ Title II Construction Management
  • Vice President - Government Services and Federal Markets
  • Vice President - Services and Federal Markets
Jeffrey brings a highly diverse background with over 30 years of expertise in project and construction management, civil engineering, soils engineering, urban planning, landscape architecture, and construction inspection. In his current capacity, Jeffrey is a Principal-in-Charge and oversees the municipal engineering services group for the various city, county, and special districts engineering contracts. In addition, he oversees federal contracts for various military installations, including Vandenberg Space Force Base (SFB) and Naval Base Ventura County in Port Hueneme (NAVFACSW). For nearly 20 years, Jeffrey has served as Project Manager to oversee Vandenberg SFB's IDIQ Title II Construction Management contract. He has overseen more than 160 projects worth over $200M and is currently supporting Vandenberg's High Voltage Replacement Program. As a US Air Force veteran, he actively recruits military veterans to support the Government Services Division.

Miranda C. Patton

Job Titles:
  • Chief Business Development Officer
Miranda has over 22 years of industry experience in the design and management of civil engineering projects. As a Chief Business Development Officer at MNS, Miranda uses her industry knowledge to advocate for the engineering profession and municipal infrastructure. Miranda has engaged in many local civic efforts to advance key legislation and public policy in support of public infrastructure. Most recently, Miranda served as President for the 2021 - 2022 fiscal year of the American Council of Engineering Companies, California (ACEC-CA), a statewide association representing more than 1,000 private consulting engineering and land surveying firms. She has also served on the Board of the National Engineers Week Committee for Ventura/Santa Barbara and participates in multiple committees to annually honor top engineers and projects around the state. Miranda is a local advocate serving on the Ventura County Transportation Commission (VCTC) Citizen's Transportation Advisory Committee/Social Services Transportation Advisory Council, a City Council appointed position, she is charged with providing input to the VCTC on a variety of transportation issues, including the review of findings developed from an annual "unmet transit needs."

Shawn M. Kowalewski

Job Titles:
  • Vice President - Transportation Division
Shawn manages the Transportation Engineering group. 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. While Shawn enjoys finding technical solutions for his clients' projects, he is also an outside-the-box strategist helping to meet client goals.