Thomas Taber & Drazen in Denver has added Paul Izenstark as svp, group account director and Heather Arkell as account supervisor. Izenstark will head up the Einstein Bros. Bagels, Great-West Healthcare and Colorado Farm Bureau Insurance accounts while Arkell will also work on Einstein and Hach Homeland Security Technologies. Izenstark has managed accounts at Young & Rubicam and Dentsu in New York and Los Angeles. He helped launch trade and consumer campaigns for television shows such as Dr. Phil, American Idol, Judge Judy, Entertainment Tonight and Montel. Arkell previously worked at Leo Burnett in Chicago on the U.S. Army account. She also was at JWT on Ford, Doner on Six Flags and Young & Rubicam on Jaguar, Taco Bell and Lincoln Mercury.