Matthew J Butcher, principal of Sublight Engineering, has over 30 years of experience as an electrical engineer with practice areas of radio frequency (RF), electrical, and computer engineering. His RF work includes human exposure assessment; wireless network design; and interference assessment and mitigation.
Measuring, modeling, providing guidance on, and developing standards related to human exposure to RF is a primary focus of Sublight Engineering. Since 2000 Mr. Butcher has been working with industry, government, workers, and the public on this topic.
As a Senior Member of the IEEE and the International Committee on Electromagnetic Safety (ICES) Mr. Butcher helps develop the C95 standards for the safe use of electromagnetic energy. He is the co-chair of (SC1) Techniques, Procedures, & Instrumentation, responsible for C95.3 - IEEE Recommended Practice for Measurements and Computations of Electric, Magnetic, and Electromagnetic Fields with Respect to Human Exposure to Such Fields, 0 Hz to 300 GHz.
He also is on the United States National Committee of the International Electrotechnical Commission (USNC/IEC) for TC106: Methods for the assessment of electric, magnetic and electromagnetic fields associated with human exposure.
Mr. Butcher earned a Bachelor of Science in Electrical Engineering from the University of Maryland and holds Professional Engineer licenses in multiple states. He is on the board of the Association of Federal Communications Consulting Engineers (AFCCE) and is a staff consultant to the Advisory Panel on Nonionizing Radiation of the National Council on Radiation Protection and Measurements.
Mr. Butcher is a canoeist, amateur radio operator, and traveler.