Dr. Rolf Bergman is currently an independent consultant (sole proprietor) in lighting technology and measurements. After graduating with a Ph.D. in Electrical Engineering in 1972 from the University of Minnesota, Dr. Bergman worked for over twenty-eight years at GE Lighting, all at Nela Park, Cleveland, OH, both as an individual contributor and manager in lamp technology. While at GE Lighting he was involved new product and process development, measurement capability and industry standards. Dr. Bergman was named Chief Scientist, Lamp Technology in 1992, a position he held until retirement in 2001. Currently, among other consulting work, he serves as an assessor of lighting laboratories for accreditation to NVLAP, and accrediting body organized at the National Institute of Standards and Technology (NIST).