Jonathan D. Weiss earned a PhD.in physics from the University of Illinois in Urbana, Illinois. He is currently the Chief Technology Officer for JSA Photonics LLC, a New Mexico high-tech company that specializes in refractometers for inline process control and the measurement of battery state-of-charge. Previously, Jonathan worked at Sandia National Laboratories, where much of his work involved the invention of optical sensors of various kinds. He holds 17 patents for such devices, several of which have been licensed. Before that, he worked as a civilian scientist at the Air force Research Laboratory. He earned a PhD.in physics from the University of Illinois in Urbana, Illinois.