Martin Sirk, is an avid astronomer who built his first telescope at age 15. Martin’s passions make him an excellent teacher who blends a wealth of astronomical knowledge with a joy for teaching. Since he started teaching the Astronomy class at the Sierra Nevada Field Campus in 2001 students have commented on his gift for explaining complex concepts in a clear and concise manner. He has spent much of his professional career working on NASA satellites developing instruments and analyzing astronomical data. The projects have included the Hubble Space Telescope, the Extreme Ultraviolet Explorer, the Cosmic Hot Interstellar Plasma Spectrometer, and several others. In addition to being an astronomer, Martin is an amateur naturalist who has spent a great deal of time in the Sierra Nevada.