This polymer materials expert witness is a licensed Professional Engineer with more than 40 years of experience in the plastics industry, specializing in the engineering, testing, and failure analysis of polymeric materials used in long-term, load-bearing applications. For more than 30 years, he has offered expert witness services including consultations, deposition testimony, and courtroom testimony in matters involving plastic and rubber products, thermoplastic piping systems, geosynthetics, and polymer-based components. Technical expertise includes physical, mechanical, and environmental testing of polymeric materials; analysis of creep, stress rupture, oxidation, embrittlement, and slow crack growth in polyethylene and other thermoplastics; evaluation of plastic piping systems for potable water and gas distribution; and investigation of product failures involving PVC, HDPE, polybutylene, and related materials. Credentials include Ph.D., M.S., and B.S. degrees in materials science, metallurgical engineering, and chemistry, and licensure as a Professional Engineer (P.E.).

His work encompasses polymer synthesis, compound formulation, plastics processing methods, analytical chemistry of organic compounds, and assessment of durability in chemically aggressive or high-stress environments. Professional roles have included Senior Managing Consultant and Vice President of Plastics Technology, with responsibility for managing large-scale testing programs and establishing plastic piping product laboratories. Professional affiliations and standards involvement include membership in the Society of Plastics Engineers and ASTM Committees D20 on Plastics and F17 on Plastic Piping Systems, with subcommittee leadership in polyolefin pipe standards.