Doris Hamill is currently a technology program development manager for NASA’s Langley Research Center in Hampton, Virginia. She began her career in technology management as an Air Force officer at the Air Force’s School of Aerospace Medicine then the Rome Air Development Center. As a civilian, she worked as a program manager for the Defense Advanced Research Projects Agency. She also worked in industry, first with Oceaneering Space Systems then with SpaceHab, a commercial space company. She holds a B.S. in Physics from Rensselaer Polytechnic Institute, and an M.S. in Engineering Biophysics from Southern Illinois University at Carbondale. Ms. Hamill has been involved with a broad spectrum of aerospace science and technology. This includes microwave bioeffects, large space optics, image and signal processing, cryogenic refrigeration, life support systems, microgravity sciences, planetary entry systems, unmanned aerial vehicles, and solar powered aircraft. She is currently helping NASA Langley establish activities to support NASA’s interest in “green” engineering. She has also published over a dozen papers on commercializing human space flight.In her free time, Doris Hamill is an amateur philosopher. She has written a book: The Challenge of Why, A Secular Search for Human Purpose.