Dianna Stadtherr is a Senior Lighting Engineer at CoreLED Systems, LLC in Livonia, Michigan. She has worked in both automotive and commercial lighting for over 20 years. She holds several patents involving unique reflector and lens designs for LEDs. She has expertise using CAD and optical simulation tools. She holds a bachelor’s degree in Physics from Vassar College and a master’s degree in Electrical Engineering from the University of Michigan, where she specialized in Electro-Optics.