Phil Pearthree to complete his time as Arizona State Geologist

Philip A. Pearthree, Ph.D. will retire as Director of the Arizona Geological Survey in July 2026, having held the position since 2016 as successor to Lee Allison. The position has been advertised. Phil received his B.S. at Oberlin College, and M.S. and Ph.D. at the University of Arizona. He joined AZGS in 1988 and was chief of the Environmental Geology section for more than a decade. Phil is a Kirk Bryan Award co-winner, and authored or co-authored more than 100 geologic reports and maps in nearly four decades with the Survey. Phil was AASG Treasurer from 2020 to 2023. Well done, Phil!