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Les Chernauskas

Biography – Les R. Chernauskas, P.E. Mr. Les Chernauskas is cofounder and President of GTR. He is a registered professional engineer in Massachusetts, New York, Rhode Island, Connecticut, and Michigan and holds a B.S degree in Civil Engineering and an M.S. degree in Geo-Environmental Engineering. Les’ background includes 25 years of geotechnical consulting experience with expertise in design, analysis, and testing of deep foundations and earth support systems. He has been involved in numerous building and large public works projects in the Northeast, including the CA/T project in Boston, Sikorsky and Pearl Harbor Memorial bridges in CT, Woodrow Wilson Bridge in Virginia, Tappanzee Bridge in NY, I95/I295 Interchange in RI, and the Wittpenn and Goethals Bridge in NJ. Les is an active member of ASCE, DFI, PDCA, ADSC, and ASTM, where he serves on the Drilled Shaft, Driven Pile, and Testing committees. He has also authored numerous papers, presentations, and manuals related to design, analysis, and testing of deep foundations.

Leo Hart

Mr. Leo J. Hart is a principal engineer and co-owner of the company and oversees the technical and project delivery operations. Mr. Hart holds B.S. and M.S. degrees in Civil Engineering, with a focus in geotechnical engineering. His background includes over 20 years of geotechnical consulting and research experience. Mr. Hart's specialization is related to design of pile foundations and temporary structures. Mr. Hart also performs instrumentation monitoring and design, including field and full-scale instrumentation of deep foundations. Mr. Hart has specific experience using several major data acquisition systems, strain gages, displacement transducers, load cells, inclinometers, piezometers, and pressure cells of both vibrating wire and electrical resistance based technologies. He also performs instrumentation and testing services.

John Regan

Mr. John E. Regan, P.E. serves as a Principal and Vice President of the Company. He holds B.S. and M.S. degrees in Civil Engineering with a concentration in Geotechnical Engineering. He has 23 years of experience in Heavy Civil / Heavy Highway and Foundation Marine construction. His role includes providing engineering and project management responsibilities on numerous heavy civil, heavy highway and marine projects requiring geotechnical engineering and instrumentation, deep foundation design and construction and excavation support. Mr. Regan's experience includes development and execution of various geotechnical instrumentation and investigation projects, specialty foundation drilling projects, foundation engineering, static and dynamic pile analyses and ground modification grouting projects. He has extensive experience designing and performing soil and bedrock grouting, designing, installing and testing deep foundation systems including driven piles, micro piles, soil nailing, soil and rock anchors. Mr. Regan’s notable projects include design, development and execution of the Automated Data Acquisition Systems at Electric Boat, Boston’s Central Artery Tunnel Project, as well as the Automated Total Station monitoring (AMTS) for the MBTA Greenline Extension Project and Long Island Railroad 3 bridges project. Mr. Regan is a licensed Professional Engineer in Massachusetts, Connecticut, Maryland, New Jersey and South Carolina, as well as a licensed Construction Supervisor.


Geosciences Testing and Research Inc.

55 Middlesex St Suite 225
North Chelmsford, Ma 01863

Foundation Engineering Services DPC.
4 Old Route 6
Brewster, NY 10509

Phone: 978-251-9395
Fax: 978-251-9396