Jeff Guerrieri received his Bachelor of Science in Electrical Engineering from Colorado State University in 1986. He is currently a Program Manager for the National Voluntary Laboratory Accreditation Program (NVLAP) in the Calibration Laboratories Accreditation Program.He has worked at the National Institute of Standards and Technology (NIST)since 1986. Before transferring to NVLAP in 2020 he worked in what is now the Radio Frequency Technology Division. Starting as an antenna measurements engineer, thenProject Lead for the Antenna Calibration Service and manager of the lab quality system. He was also responsible for the implementation of new antenna measurement facilities and techniques, and finally RF Fields Group Leader.