Kerstetter to Exit Black Rocket

Bob Kerstetter, the creative director who helped make a little-known Internet portal named Yahoo! a household name, is leaving Black Rocket/Euro RSCG, the agency he co-founded, to pursue a directing and writing career.

Kerstetter, 42, launched Black Rocket in 1996 with partners John Yost and Steve Stone. Yost and Stone will continue to lead the shop, which was acquired last year by Euro.

Kerstetter will spend his time directing, freelancing and working on screenplays, but says he is realistic about his future.