Sam Linsky was promoted to senior vice president, current programming, TNT and TBS. Linsky most recently served as vice president of current programming for TNT.

The Philadelphia office of Razorfish promoted Joshua Palau from group director to vice president of search engine optimization, and Matthew Maynard from account manager to senior account manager.

Cactus hired Stephanie Shawn as interactive director and Vanessa Louis as account executive.

AdGent 007 hired Bill Blummer as vice president of U.S. sales. Blummer joins AdGent 007 from CBS Digital Media, where he directed national online advertising sales.

Brian Cohen, Robert Lasky and Peter Hill formed Porterhouse Digital, a boutique media and marketing agency providing a full range of integrated business strategy and marketing services.

Jennifer Rhodes joined Direct Online Marketing as director of paid search strategies.

Cellufun hired Neil Edwards as chief executive officer. Most recently he served as the founding CEO of dotMobi.

AOL's Platform-A promoted Mark Ellis to executive vice president of sales.

Euro RSCG Chicago hired Alexis Chiagouris and Rina Mallick as digital strategist and digital creative director, respectively.

Stuart Colman was tapped as head of operations of AudienceScience UK.