Litigation support & expert witness services for Personal Injury: slips & falls, code & safety violations, falls from height, safety engineering & construction accidents. Accident Reconstruction: Computer simulation/animation, automobile, pedestrian, motorcycle, truck, bicycle, braking distance, speed analysis & impact forces. Construction: all aspects including claims, delay impact analysis, contract disputes, CPM schedule analysis, construction defects, damage calculations, contractor's performance, cost to repair, digital forensics.

Highway Engineering, Transportation Engineering & Parking; construction defects, failures, specifications & disputes; Traffic Engineering, speed requirements and driver reaction; Highway safety, road hazards & obstructions; Traffic accidents including automobiles, motorcycles & bicycles; Pavement standards, construction, maintenance and repairs; Accident Reconstruction - skid & forensic analysis; Materials including asphalt, concrete & soils; Road Defects - cracking, potholes, friction & loose gravel; Road geometric standards - sight distance & clear recovery.

43 years expertise in metallurgical failure analysis; automobile/aerospace components, metals, ceramics, plastics, paints, forensic investigations. Expert witness in several product liability/criminal investigations. Courtroom experienced. Fellow, ASM (American Society for Metals). Fellow, American College of Forensic Examiners.

Established in 1988; licensed in 29 states. Structural design & construction defect investigations, evaluations. Wood, masonry, steel & concrete structures. Seismic & wind design. Code review & analysis. Retained in over 1,500 cases nationwide and abroad. 3D graphics & animations. Court-appointed neutral experts. ADR

Forensic Scientists - Diverse Technical Staff: IRSA Staff has over 460 person years of courtroom experience. Biomechanics; Reconstruction; Human Factors; Safety; Accident Prevention; Failure Analysis; Product Integrity; Liability; Testing; Warnings; Slip/Trip/Fall; Premises; Construction Defect; OSHA Compliance; Bldg Codes; Fire Protection; Explosions; Firearms/Ballistics; Electrocutions/Shocks; Structural; Recreational; Industrial; Criminal; Auto, Airbags, Aviation, Bicycle, Boating, Chair, Elevator, Escalator, Forklift, Gate, Golf Course, Ladder, Motorcycle, Nuclear, Press, Rollercoaster, Scaffolding, Seatbelts, Stairs, Swimming Pool, Truck; Simulations; Drone Use, 3D Models. Total staff size: 18.

Here are just a few of the Expert categories we offer: accounting, automotive, biomechanics, business, chemical, cell phone, construction, economics, engineering, failure analysis, finance, firearms, hazardous materials, hotel, insurance, intellectual property, machinery, marketing, medical and medical device, nursing home, pharmacology, product liability, psychology, security, financial securities, toxicology, technical, transportation, valuation, warnings. And thousands more Expert witness categories. Contact us to find the most precise Expert for your case. We will connect you with Experts who are interested and available to meet your time deadlines.

Engineering Systems – analytic mathematics, control, estimation, modeling, signals | Electronics – analog/digital/microprocessor | Wind Turbines and Wind Farms – control systems and farm data analysis | Solar Power and Farms - solar panel control and solar farm data analysis | Biomedical Systems – endocrine, cardiac, metabolic | Automotive, Aerospace – various topics | Commercial – utility meters, spread spectrum communication, optical disc, hygiene.

Accident reconstruction; failure analysis; fire and explosions; electrical analysis; batteries; human factors; visibility analysis; slip/trip/fall; warnings/labeling; biomechanics (injury analysis) mechanical design reviews; HVAC; risk assessment; structural / geotechnical / civil engineering; construction defect; quantum & delay analysis; materials science; metallurgy; polymer science; toxicology; industrial hygiene; environmental fate & transport; water quality.

Motor vehicle accident reconstruction, biomechanical analyses, instrumented crash tests, forensic animation, slip/trip/falls, human factors, crash data retrieval/Bena & heavy truck EDR downloads, photogrammetry, traffic camera recordings & screenshots, 3D laser scanning, 3D printing, drone 3D mapping, aerial photography, digital forensics, licensed UAS part 107 pilots. Qualified as expert witness in CA and NV courts.

Experts in Biomechanical Engineering & Accident Reconstruction. Specialties include evaluation of injury causing events, automotive and amusement park testing & evaluation, scene surveys & diagrams, aerial photography, digial forensics, licensed UAS part 107 pilot. Qualified in State & Federal Courts.

As a structural and civil engineer and expert forensic consultant with nearly four decades of experience, Casey Hemmatyar has provided extensive expert services for defendants and plaintiff attorneys on numerous construction litigation matters throughout the US. He has been retained as an expert by the US Government and private law firms on single and class-action lawsuits at both State and Federal levels (a partial list of litigation cases is available upon request). His understanding of core engineering and legal concepts has enabled him to effectively assist a wide range of clientele. He brings diversified experience in structural and civil engineering design and in forensic engineering, investigation, and evaluation. Mr. Hemmatyar also conducts research and has assisted in the development of building codes and standards, and has supervised the construction of domestic and international projects. His experience includes special structures and new buildings as well as modifications, alterations, seismic/hurricane retrofits, and upgrades to existing structures. He has provided failure analysis, expert consultation, structural forensic investigation, and damage assessment services for many litigation and insurance-related matters. He actively presents continuing education lectures to audiences of engineers, architects, and contractors on topics of structural and forensic engineering throughout the United States. Mr. Hemmatyar has been the principal structural engineer on projects for clients such as NASA and several other high-profile agencies. Currently, he directs PSFEG and has served as Director for SEAOSC in 2011-2013.