Bill is a long-time member of the Radio and Plasma Wave Group at Iowa. He studies radio and plasma waves in planetary magnetospheres, the solar wind, and the interstellar medium. He is a co-investigator on the Voyager Plasma Wave investigation currently in the interstellar medium and is the lead for the Waves instrument on Juno in orbit at Jupiter. He was also the lead for the Waves instruments on Van Allen Probes and a Principal Investigator on the Cassini Mission to Saturn. Bill is a Fellow of the American Geophysical Union and was awarded the NASA Outstanding Public Leadership Medal.