With dual degrees in architecture and civil engineering from Lehigh University, and over 26 years of diverse professional experience, Mr. Irwin provides a wide array of engineering, design, construction, and safety consulting and expert witness litigation support services. He is a registered Professional Engineer in 24 USA jurisdictions (P.E.), and one Canadian jurisdiction (P.Eng.) and is recognized as a Model Law Engineer (MLE) by the National Council of Examiners for Engineering and Surveying (NCEES). He is a Board-certified Senior Member of the National Academy of Forensic Engineers (NAFE), holding the designation of Diplomate Forensic Engineer (DFE). He has been qualified for, and testified within, state and Federal courts, with retentions from both plaintiffs and defendants, often offering visualization demonstratives in support of his testimony.

Mr. Irwin’s experience has included architecture, engineering, surveying, design, and construction of buildings, bridges, civil infrastructure projects, furniture, temporary structures, construction safeguards, and complex/specialty/hybrid structural systems. He routinely consults on large scale, complex, and/or multi-party assignments, some of which require a multi-disciplinary scientific investigation methodology. Mr. Irwin has also managed exploratory demolition programs and laboratory and onsite structural/building science pathology testing, including on structures, buildings, bridges, and components with unknown, historic, or legacy construction components and techniques.

Mr. Irwin also possesses specialized certifications and training in constructed exterior building envelope performance, including moisture intrusion and mold infestation through, and within, roofing, windows, stucco, and adhered stone veneer cladding systems. His typical engagements have included evaluations of multi-million dollar residences, high-rise buildings, shopping centers/malls, hotels, complexes and developments of residential and commercial buildings, and regional/national chains of facilities, as well as construction-related accidents and disputes, including distinguishing between interwoven construction defect and design deficiency issues. Mr. Irwin has also personally renovated seven residences, including carpentry, roofing, siding, doors, windows, drywall, flooring, painting, HVAC, electrical, and plumbing work, as well as furniture design and construction. He also develops damage remediation options and costs for repairs and has consulted on the development of risk management programs for contractors.

Mr. Irwin has also addressed public safety concerns and emergency stabilization/ shoring requirements for severely damaged structures. Additionally, Mr. Irwin routinely investigates premises liability incidents and accidents in both the public and private sectors, with specialized experience and training within dynamic hospitality, restaurant, and retail environments, including displays and merchandise. He also possesses specialized training and certifications in slip-resistance testing, human factors, and biomechanics, which are typically applied to simultaneously evaluate engineered system performance and human interactions therewith. Mr. Irwin also serves on the ASTM committees for forensic engineering and pedestrian walkway safety, is a member of numerous related professional societies, and is a frequent guest speaker/trainer on related technical subject matter, including for regional/national corporations and trade organizations.