Dave Sullivan is now in his sixth year as RRC's manager of PPM Client Services, assisting non-commercial radio stations in the top-50 markets with their audience research. Sullivan served as senior training specialist at Arbitron from 2000 to 2007 and his background in radio also includes sales experience with WWMX-FM and WBAL-AM in Baltimore, MD, as well as underwriting experience with WTMD-FM in Baltimore, MD. Sullivan has also worked as an audio engineer and play-by-play announcer for several stations. He graduated from Towson University with a bachelor of science in mass communications and did graduate studies at Emerson College in Boston, MA.