Mr. Winters received a B.S. in microbiology with a minor in chemistry from Brigham Young University. He has been at Nelson Laboratories for 25 years testing and consulting regarding radiation sterilization, bioburden/sterility testing, microbiological process validation, allograft tissue and pharmaceutical products. He is currently a Director of Science for Nelson Laboratories. Mr. Winters serves on many AAMI Sterilization Standards Working Groups and represents the U.S.A. at ISO meetings for microbiological methods, aseptic processing and vaporized hydrogen peroxide sterilization. He is also on the AAMI Sterilization Standards Committee and is the AAMI liaison to the AATB Standards Committee. In 1995 he received his Registered Microbiologist (RM) certification, and in 2001 his Specialist Microbiologist (SM) certification in consumer products and quality assurance microbiology from the U.S. National Registry of Microbiologists. In 2018 he helped develop the program, and then certified as an AAMI Certified Industrial Sterilization Specialist in radiation (CISS-RAD).