Wendy Mach has over 24 years of medical device manufacturing and laboratory experience. She worked in the medical manufacturing environment in Minnesota for seven years, performing ethylene oxide (EO) and gamma radiation sterilization validations. While at the manufacturing site, she also insourced the microbiology tests for sterility assurance and related equipment validation. Wendy also spent four years as a lab supervisor, managing the sterility, microbial limits, bioburden, endotoxin, antimicrobial effectiveness services. In 2004 Wendy moved to Salt Lake City to accept a position in the EO department at Nelson Laboratories and was responsible for sterilization D-value and packaging microbial aerosol challenge studies.

Jennifer Gygi has over 25 years of medical device laboratory experience. She has worked in the Microbiology, Bioburden, IDs, and Packaging sections at Nelson Labs. Jennifer has experience with various microbial tests, including microbial limits, plate counts, Biological Indicator population verifications, organism ID tests and bioburden tests. Jennifer has spent the last 15 years working in the Packaging group. As one of the original packaging group members at Nelson Labs, Jennifer was heavily involved in validating all the packaging test methods and equipment and writing the test procedures for the packaging tests performed at Nelson Labs.