Our Staff
Louis L. Guerriere, B.S.C.E / P.E. / P.L.S.
President
Co-founder of Guerriere & Halnon, Inc. in February, 1972. Northeastern University graduate in Civil Engineering. Oversees the operation of the Corporation with its three offices in Milford, Franklin and Whitinsville, MA.
James J. Sullivan, B.S.E.T. / M.B.A.
Vice President
VP of Operations for the overall business. Jim received a degree in Mechanical Engineering from Wentworth Institute and an MBA from Northeastern University. Joined the firm in 2011.
Milford
Jeffrey J. Stefanik, P.L.S.
Survey Manager
Jeff attended Central New England College and the Hartford Graduate Center and acquired his first LS license in 1996. He is a licensed Land Surveyor in CT, RI, MA, VT, NH and NY.
Franklin
Robert E. Constantine, B.S.C.E / P.L.S.
Obtained Civil degree at University of Massachusetts- Amherst. Joined firm in June of 1992.
Diane A. Burlingame, Site Planner
Attended Northeastern University and Wentworth Institute for Site Planning and Design. Received Certification from The Rhode Island School of Design for Interior Design, Lighting and Landscaping. With firm since August 1984.