Our Team

Mr. Constantinides is a registered Professional Engineer in the State of New York, New Jersey, Connecticut, Maryland, Virginia, and Florida. During his twenty-nine years career in the construction industry, he managed infrastructure, and facilities projects in New York and New Jersey. He is currently M&J’s Senior Vice President in charge of Bridges and Tunnels pursuits. In addition to his corporate duties, he is the QCE Project Manager for the Thruway Authority’s Cashless Tolling, a $355Million DB Project, and Resident Engineer for MTA B&T’s $65 Million Cable Investigation and Structural Rehabilitation at the RFK Bridge project.  Prior to this he served as the Resident Engineer on the $293 M Sandy Restorations Project at the Queens Midtown Tunnel utilizing his extensive tunnel expertise and managerial skills.

Prior to joining M&J, Mr. Constantinides served as the Resident Engineer on several bridge, tunnel, and rail projects including the structural hardening of the Bronx Whitestone Bridge, the rehabilitation of the Queens Midtown Tunnel’s ventilation and drainage systems, and the structural rehabilitation of LIRR’s Dutch Kills Draw Bridge.

He also served as an Assistant Resident Engineer on the Reconstruction of the W. Fordham Road Bridge, I-87 Major Deegan Expressway, and the Taconic State Parkway Segment 3. Mr. Constantinides’ experience includes working for General Contractors as a Project Manager and being directly involved with projects, such as the Hudson Bergen Light Rail system, the reconstruction of the West Street Underpass (RT9A) in lower Manhattan, the rehabilitation of the NYCTA’s Brooklyn East New York subway stations, and the ADA elevator installations at the 34th Street subway station in Manhattan.



  • Bachelor of Science, Civil Engineering, City College of New York
  • Masters, Civil Engineering, Polytechnic University

Professional Affiliations

  • ASCE
  • ACEC
  • NSPE
  • NACE
  • AWS

Community Activities

  • NYSDOT Golf League