Los Angeles-based agency davidandgoliath has hired four new creatives. Tim O'Malley is an art director most recently from Goodby Silverstein & Partners in San Francisco. Simon Tuplin, formerly of Lowe Roche in Canada will join as a senior art director. James King is a copywriter coming from Mullen and also freelanced at Fallon/N.Y. Ron Tapia was a graphic designer before graduating from Art Center College of Design in Pasadena. He will join davidandgoliath as an art director. ... Radium, which has offices in Santa Monica and San Francisco, hired Jon Townley as artist manager and creative director and Jeff Blodgett as executive producer. ... Director Alex Proyas (I, Robot, Dark City, The Crow) has signed with Anonymous Content for exclusive representation for work in the U.S. Prior to joining Anonymous, Proyas was signed with Anonymous CEO and founder Steve Golin and head of commercials Dave Morrison at Propaganda Films. ... Taxi/N.Y. has hired copywriter Adam Alshin and art director Kim Haxton from Fallon/N.Y.