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G. Daniel (Dan) Gagaris, PE

Managing Principal Engineer - Large/Complex Loss


Boston Service Center - EFI Global
155 West St., Suite 6



Telephone 2





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  • Professional summary

    Mr. Gagaris has over 40 years of experience in a wide variety of engineering projects including forensic investigations, failure cause and origin investigations, building condition assessments, community public works infrastructure, gas and oil infrastructure, geotechnical investigations, hydrological flood-wave studies, transportation infrastructure assessments including bridges, roads, tunnels, etc., and wind-wave damage determination. He has led multiple construction defect and structural failure investigations as well as forensic teams for investigations of industrial fires and explosions.  Mr. Gagaris has extensive experience working overseas for governmental organizations including assignments in the Caribbean, Central America, Europe, and South America.  Mr. Gagaris has served as lead manager and inspector for multiple large catastrophic (CAT) event assignments as well as unique, complex losses, and he has provided expert opinions and testimony.

    Areas of Expertise:

    • Building Condition Assessments
    • Civil Engineering Analysis and Design
    • Construction Defect Investigations
    • Construction and Project Management
    • Dam and Levee Construction & Damage Assessments
    • Earthquake Damage Assessments
    • Failure Origin and Cause Evaluations
    • Fire and Explosion Damage Assessments
    • Foundation Deficiencies
    • Gas & Oil Infrastructure Damage Assessments
    • Marine Docks and Facilities Condition Assessments
    • Power Generation Facilities
    • Public Works Infrastructure Damage Assessments
    • Resort and Hotel Damage Assessments
    • Roof Condition and Damage Assessments
    • Storm Damage Assessments
    • Structural Failure Investigations
    • Tank and Basin Failures and Damage Assessments
    • Radio/Television Transmission Tower and Station Damage Assessments
    • Tunnel and Bridge Damage Assessments
  • Education

    Bachelor of Science, Applied Science and Engineering, United States Military Academy at West Point, NY, 1978

  • Certifications

    Professional Engineer, Connecticut, License #PEN.0029671

    Professional Engineer, Louisiana, License #PE.0034390

    Professional Engineer, Maine, License #PE13304

    Professional Engineer, New Hampshire, License #14148

    Professional Engineer, Rhode Island, License #PE.0011065

    Professional Engineer, Texas, License #102613

    Professional Engineer, Vermont, License #018.0095994

    Professional Engineer, Virginia, License #0402029236

    Professional Engineer, Washington, License #38207

    Professional Engineer, Puerto Rico, License #17641 (Inactive)

  • Disciplines
    • Catastrophe Response Team
    • Engineering - Building Envelope Assessments
    • Engineering - Building Envelope Design and Consulting
    • Engineering - Civil
    • Engineering - Structural, Building
    • Engineering - Construction Management
    • Engineering - Construction Defect Evaluations
    • Engineering - Property Condition Assessments
    • Engineering - Roof Assessments
    • Engineering - Power Generation and Distribution
    • Engineering-Elevators/Escalators
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