Ahmad N. Elhajj, P.E.


Houston, TX

Ahmad N. Elhajj, P.E.


Houston, TX

GET TO KNOW Ahmad N. Elhajj, P.E.

Ahmad Elhajj, P.E., is a forensic engineer and shareholder with Haag Global, Inc. He also serves on the Committee on Practices to Reduce Failures with ASCE. Based in Houston, Texas, Mr. Elhajj is a licensed professional engineer with a combined 15 years’ worth of academic and professional experience. He has worked as a forensic engineer assessing origin, cause, and extent of damage to residential, commercial, and industrial structures and foundations for over four years. Prior to joining Haag Global, Inc., Mr. Elhajj obtained broad-based experience in performing roof evaluations, troubleshooting building construction, designing/analyzing both temporary and support structures, and non-destructively evaluating concrete and steel structures using ultrasonic and electromagnetic methods. Mr. Elhajj previously worked as a sales engineer, driving product and software sales efforts related to structural steel, steel and concrete fastening, firestopping, and fire protection systems to both commercial and petrochemical design and construction projects.

Early on in his career, Mr. Elhajj taught physics and engineering classes at the Miller School of Albemarle while developing their pre-engineering education program and coaching their wrestling team. Mr. Elhajj’s work at the Virginia Center for Transportation Innovation and Research involved the study, research, testing, and development of concrete admixtures—including carbon nanotubes—using non-destructive testing techniques, mix design, and laboratory analysis. Previously, as an engineering intern, he modeled, designed, and analyzed light-gage steel residential structures in Auckland, New Zealand.

Mr. Elhajj earned a Bachelor of Science in Civil Engineering and a Bachelor of Arts in Physics from the University of Virginia and completed post-graduate work in the Computer Science discipline. Currently, Mr. Elhajj is enrolled at Auburn University in pursuit of a master’s degree with a focus on structural and wind engineering.

Primary Areas of Consulting

  • Structural Evaluations
    • Commercial and residential buildings, and industrial frames
      • Natural hazards (snow, wind, ice, flood, rain, etc.)
      • Fire and explosion damage
      • Impact damage
      • Corrosion damage
      • Structural collapse
      • Settlement/heaving
      • Code issues and upgrades
  • Geotechnical Evaluations
    • Foundations and retaining walls
  • Roofing System Evaluations
    • Cause, nature, and extent of damage, particularly from wind and hail
    • Quality of manufacture and application of roofing
  • Moisture Intrusion and Migration Analysis
    • Source of moisture ingress
    • Extent of damage
  • Construction Defects Evaluations
    • Entire structures to assembled portions to individual components
    • Fenestration and building envelope evaluation
    • Cause and extent of damage
    • Construction document adequacy and compliance
    • Code and ADA compliance
    • Repair Scope
  • Hurricane Damage Evaluations
    • Wind vs. wave
    • Code issues and upgrades


  • Occupational Safety and Health Administration (OSHA): 10-hour Construction Safety and Health
  • Haag Certified Inspector (HCI): Residential and Commercial
  • Association for Certified Rope Accessed Building Assessment Technicians (ACRABAT): Level I “Authorized Person”
  • Transportation Security Administration (TSA): Transportation Worker Identification Card
  • Houston Area safety Council (HASC): Basic Orientation Plus *expired/renewable
  • Trained and tested on:
    General and Personal Fall Protection
    Supported and Suspended Scaffold Use
    Boom and Scissor Lift Operation
    American Concrete Institute (ACI): Adhesive Anchor Installer


  • American Society of Civil Engineers
  • American Concrete Institute
  • Structural Engineering Association of Texas
  • International Code Council


  • Master of Science in Civil Engineering, Auburn University, In progress, anticipated graduation December 2024
  • Bachelor of Science in Civil Engineering, University of Virginia, 2013
  • Bachelor of Arts in Physics, University of Virginia, 2013
  • Software Development Methods (non-degree), University of Virginia, 2021
  • Discrete Math (non-degree), George Mason University, 2021

Licensed Professional Engineer in the States of:

Texas, Florida, Louisiana, Oklahoma, Alabama, Maryland, and Virginia

Licensed commercial drone pilot (14 CFR Part 107 #4637776)

Testimony history available upon request.

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