Dr. Terry Carroll, physicist, founder, principal designer and CEO, has been involved with solar energy research and design for nearly four decades and holds advanced degrees in physics and science education. In addition to his energy auditor certification and teaching, Carroll worked as a residential energy consultant, doing both active and passive solar design and installation for Solar Works, Inc., in Mt. Airy from 1981 to 1986. From 1983 to 2009, Carroll taught physics, sustainable development, environmental studies and passive solar greenhouse courses at Appalachian State University in Boone. Dr. Carroll retired from ASU’s Biology Department in 2009 to devote himself full time to the development of SunCatcher.