I have over 25 years experience as a professional engineer and licensed general contractor in consulting, design, construction project management, university teaching, and research. I specializes in structural analysis / design, damage and failure investigations, and construction defects / accidents. I have expertise in performance evaluation of constructed facilities including the effects of natural (wind, earthquake, flood, fire) and man-made (vibrations, blast and impact) hazards, damage assessment, and repair and retrofit design. Has served as an expert on small and multi-million-dollar claims. My experience includes buildings, bridges, concrete cooling towers, offshore platforms, silos, damage investigation of single and multi-family residential, commercial and historic buildings, storage tanks and underground water conduits, blast in underground coal mines, explosion in a chemical plant, effect demolition, pile driving and new construction on adjacent buildings, excessive floor vibrations, cracking, settlement, wind, fire and flooding damage, foundation distress, retaining walls, slabs and pavements, evaluation of defective concrete, terrazzo and other construction materials, water intrusion damage, contract disputes, product liability, accidents, personal injury, property damage, and failures during construction. I have more than 15 years expert witness experience with consultations, deposition, and courtroom testimony.