Paul C. Etter has worked in ocean-atmosphere physics and environmental acoustics for the past 40 years, including as an active duty ASW officer for the U.S. Navy. He is the author and coauthor of more than 200 technical reports, professional papers, and books addressing environmental measurement technology, underwater acoustics, and physical oceanography. He received his B.S. in physics and his M.S. in oceanography from Texas A&M University.