Jim Zeigler has spent 28 years with DuPont, and the past 15 working on fabrics for the protective apparel market. He is the senior member of the market support and product development team for Tyvek protective apparel and Tychem chemical barrier fabrics. Dr. Zeigler is the co-inventor of many of DuPont's chemical protective apparel fabrics. A member of the F23 Protective Clothing Committee of the American Society for Testing and Materials (ASTM), Dr. Zeigler also sits on the on the National Fire Protective Association (NFPA) Technical Committee for Hazardous Materials Protective Clothing and Equipment. He has particular expertise in protective apparel technology, industry regulations and standards, and on matters involving weapons of mass destruction.