Tom Blewitt is currently UL's Director of Principal Engineers for the appliance and lighting industries. He is based at UL’s Long Island, New York facility and has spent the majority of his 36-year career in engineering roles involving household and commercial appliances. A William Henry Merrill Society member, Mr. Blewitt is responsible for technical consistency, integrity and engineering quality for UL's standards and certification activities. He has extensive experience in the development of U.S., regional and international standards. Mr. Blewitt is a Technical Advisor for the U.S. National Committee and serves as the head of the U.S. delegation for IEC TC61 plenary meetings. He participates in the U.S. National Electrical Code (NFPA70 CMP17, UL Principal) and is UL's technical representative on the North American standards harmonization (CANENA) committee for appliances. He has actively contributed in a technical capacity to various U.S. and Canadian electrical standards development committees and to the Conference for Food Protection, which provides input to the U.S. Food and Drug Administration. Mr. Blewitt has published numerous articles on a variety of standards topics. He has regularly presented to trade association and government audiences on product safety, standardization and international standards harmonization. Mr. Blewitt is a licensed Professional Engineer in the State of New York and a member of the U.S. National Fire Protection Association. He has a B.S. in Electrical Engineering and an M.S. in Management, both from Polytechnic Institute of New York and recently completed an executive leadership program at the Yale School of Management.

Mr. Boyce is UL’s principal engineer manager for Energy, overseeing standards development and technical operations for renewable energy, electric vehicles, batteries, fuel cells, and liquid/gaseous/biofuel equipment. He has more than 25 years of experience in safety engineering across a wide range of product sectors, including industrial, high-tech and appliances. He has led and participated in a number of research projects for the U.S. Department of Energy and National Laboratories and serves as a member of National Electrical Code Panel 1. Mr. Boyce holds a bachelor’s degree in electrical engineering from Illinois Institute of Technology and is a registered Professional Engineer.

With a background in surface science, physics and chemistry, and professional knowledge in photovoltaic module assembly and reliability testing, Bengt Jäckel's mission is to move renewable energies forward to make them competitive with fossil energy resources. In his role as principal engineer, renewable energy, at UL, Dr. Jäckel's main responsibilities are defining and developing global testing procedures to ensure the reliability and safety of photovoltaic components like PV modules. His research results are directly used to improve international standards through collaborative work in national (DKE/VDE) and international (IEC/TC-82, UL) code drafting committees as well as international conferences. Dr. Jäckel received masters and doctorate degrees from Technische Universitat Darmstadt in Germany. He also completed post doctoral research at Colorado State University. He worked at Q-Cells for five years before joining UL.

Mr. Hopkins holds a Bachelor of Science in electrical engineering and is a licensed Professional Engineer in Washington and California. He currently manages UL’s North American renewable energy business with a focus in wind energy. Mr. Hopkins received a UL Mark of Excellence award for his work in developing new photovoltaic certification programs.