Garry Hayes has been a professor of geology at Modesto Junior College for 22 years, and has led his students on dozens of field studies classes in the Colorado Plateau, the Pacific Northwest, California, and Hawaii. He was given the Purdy Award for excellence in teaching by Modesto Junior College in 2005. He has taught courses as an adjunct lecturer at California State University, Stanislaus since 1991. He served as the president of the Far Western Section of the National Association of Geoscience Teachers from 2003-2008, and vice president from 1999-2003. He was honored with the Robert Wallace Webb award for service to the Far Western Section in 2011. He edited two field guides for conferences of the Far Western Section (at Yosemite National Park and Lava Beds National Monument), and has written roadside geology guides for trips in Yosemite Valley, Tuolumne Meadows, Kings Canyon, and Lava Beds National Monument. Garry received a Master of Science degree in geology from the University of Nevada, Reno in 1985, and a Bachelor of Arts degree in geology from Pomona College in 1980. He writes about the geological sciences on the worldwide web at Geotripper, and hosts the site Geotripperimages.com, which provides geology related digital imagery for students and teachers of the earth sciences.