His work has appeared in Geographic Expeditions catalogs, Outdoor Photographer, Frommer's Budget Travel, Photo Life (Canada), Bienvenidos Magazine (Puerto Rico) and New Mexico Magazine. He is the author of The Photographer's Guide to New Mexico. Efrain also teaches photography classes and leads field workshops in the U.S. and abroad. He served on the Board of Directors of the North American Nature Photography Association between 2006 and 2009, on NANPA's Executive Committee, Ethics Committee, Advocacy Committee and History Committee and he currently serves on the Advisory Board of the New Mexico Lawyers for the Arts.