Management Team

Concord Engineering Group's team of professional engineers possess a diversity of talent and experience that provides our clients with the knowledge, the background, the skill, and unique perspective on their projects.

John Marchiafava

John Marchiafava, PE, CGD, CEM

Vice President, Commercial & Hospitality

As Vice President of Commercial & Hospitality Engineering, John Marchiafava oversees and directs multi-disciplinary teams of engineers to ensure that projects are done on time, design requirements are met, and company standards are upheld. With over 20 years of experience in all phases of consulting engineering, including MEP/FP building systems and energy projects, Mr. Marchiafava is the engineer of record for many noteworthy projects throughout the region. John works with project owners and architects, delivering market-leading design and engineering solutions. He specializes in energy efficiency, energy management, energy incentive management, renewables, utilities, MEP/FP engineering, and construction, & project management for commercial, educational, governmental, industrial, and pharmaceutical clients.


  • Bachelor of Science, Mechanical Engineering
    Drexel University, Philadelphia, PA


  • Professional Engineer Licensed in New Jersey, Pennsylvania, Delaware, Maryland, Mississippi, and West Virginia
  • Certified GeoXchange Designer CGD – Assoc. Energy Engineers
  • Certified Energy Manager CEM – Assoc. Energy Engineers


  • American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE)
  • Association of Energy Engineers (AEE)
  • The Order of the Engineer
  • National Society of Professional Engineers (NSPE)
  • Refrigeration Service Engineering Society (RFES)
  • International Ground Source Heat Pump Association (IGSHPA)


  • Datwyler Pharmaceutical USA Production Facility, Middletown, DE
  • Perth Amboy High School (NJSDA), Perth Amboy, NJ
  • Union County Government Complex, Elizabeth, NJ
  • McGuire Aire Force Base, Wrightstown, NJ
  • NASA Goddard Wallops Flight Facility, Wallops Island, VA
  • Rutgers University, School of Business, Piscataway, NJ
  • PSE&G Hospital Carbon Abatement Program, Various, NJ
  • New Jersey Local Government Energy Audit Program, Various, NJ