i-Frontier, a Philadelphia-based online advertising agency that was purchased by Seattle-based Avenue A Inc. this week, just hired an Associate Media Director, DEBRIANA OBARA. Obara joins the company after leaving ID Media, the direct media arm of DraftWorldwide and Initiative Media in NYC (parent company IPG). She will be working with i-Frontier's cleints, most notably Schering Plough, AstraZeneca and Wyeth.

JIM MESKAUSKAS joins Underscore as Chief Strategic Officer. A veteran of both traditional and interactive media, Meskauskas was formerly with Sharpe Partners where he served as Media Director and has planned and bought media for such clients as Burger King, Nestle, Sprint and BankAmerica. Meskauskas is a contributing columnist at MediaPost.

DENISE SOOHOO also joins Underscore as Director of Media Services. A well-recognized member of the New York media community, SooHoo started her career at TBS Media Management, a traditional media buying firm. An early entrant into the interactive marketing space, SooHoo has held media positions at Messner Vetere Berger McNamee Schmetterer/Euro RSCG and Blue Marble ACG.

ANNE FINN has been promoted to Senior Vice President / Consumer Marketing, Magazine Publishers of America (MPA). Finn had been Vice President / Consumer Marketing since joining the MPA in November 2000.

Stephen Killeen, head of Terra Lycos SA's U.S. operation has quit after nearly two years in the latest of a series of management shake-ups since the Spanish Internet media giant's inception. MARK STOEVER, formerly Global General Manager of Media Products, on Wednesday replaced Killeen as Executive Vice President in charge of the U.S. business. Stoever is the third executive to oversee the U.S. operations of the company that was formed in 2000 when Madrid's Terra Networks acquired U.S.-based Lycos.

GABRIELLE SCHUELER has joined the Client Services team at COREMedia Systems, Inc. as Client Services Representative. Most recently she was a media buyer for New York-based Razor & Tie, a direct marketer of CD compilations. CHRISTOPHER KRAUS has also been promoted tp Senior Developer/Business Analyst. He joined CORE in 1995 after working at Media Direct Partners/Western Direct.