Robert Dietrich was named director of strategy and analysis for Algorhythm.tv.

Comcast SportsNet hired Lizeth Aguirre as marketing director. Most recently, Aguirre worked at BBDO West in San Francisco in various capacities, including management supervisor, senior account supervisor and senior account executive.

Draftfcb Chicago hired Patrick Moorhead, previously the director of emerging media at Razorfish, as vice president, director of mobile platforms.

MSG Media named David Clark as executive vice president, sales. Previously, Clark was a founding member of JOOST.com, where he held various leadership roles including general manager and executive vice president, marketing and advertising.

Digital creative agency SPOKE launched in Toronto, to be helmed by Jeff Greenspoon and Kai Exos as CEO and CCO, respectively.

NetShelter Technology Media hired Mike Farrow as chief financial officer. Most recently, Farrow was chief financial officer for Jumpstart Automotive Media.

Collective Media hired Paul Harris as senior sales executive for the Southwest Region. Harris joins Collective from The Wall Street Journal where he was director of sales for the Southwest.

Definition 6 has hired John Harne as executive creative director.

Michael Tabtabai and Joshua Bletterman joined TBWA/Chiat/Day Los Angeles as creative directors and Kathrin Hoffmann joined the agency as senior interaction designer.

POP hired Anil Batra as vice president of search & analytics; Matt Joe as vice president of technology; and Lance Williams as vice president of client development.