Definition 6 has hired Bob English to run its motion design group in New York as creative director.

Ken Hicks joined The Marketing Store to lead its client services team and grow its retail and shopper marketing programs.

Mercury Media named Shayne P. Forrester as vice president of new business development.

Time Warner Cable hired Bobby Amirshahi as vice president of communications for New York City.

ChoiceStream hired Eric Bosco as chief operating officer. Most recently, Bosco served as chief product officer at comScore.

DDB Chicago hired Azher Ahmed as senior vice president, director of digital operations. Ahmed joins DDB Chicago from The Martin Agency, where he served as senior vice president, director of technology.

Digital Broadcasting Group hired Joe Epstein as chief marketing officer. Epstein joins DBG from Sony Pictures Entertainment, where he served as vice president of digital marketing.

R/GA hired Russell Davies as head of planning for its London office.

Datalogix hired Joe Kyriakoza as general manager, DLX Automotive.

Mike Loftus joined Allen & Gerritsen as director of business development.