Errol “Monte” Montgomery, founder of Montgomery and Associates, is currently an expert in Arizona hydrogeology. A former professor of geology at Northern Arizona University, he has published more than 45 technical papers and consulted extensively on hydrogeologic issues in the United States, Latin America, and Europe. Montgomery also often provides litigation support and technical review services for water rights and environmental projects. He has a B.S. in geology from Oregon State University, an M.S. in hydrogeology from the University of Arizona, and a Ph.D. in hydrogeology/geophysics from the University of Arizona. Throughout his 50 years of experience Montgomery has received numerous awards including a National Defense Act Fellowship, a Fulbright Fellowship, and a Lifetime Achievement Award from the Arizona Hydrological Society.