Industry Moves: Digitas; TheStreet; Hungry; Sharethrough; SEMplest

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Digitas: Two new hires in two different regions: Noah Mallin joins Digitas New York as VP/group director of social marketing, reporting to Jordan Bitterman, SVP of media. Mallin came from Reprise Media, where he was director of social media. Ken Burbary comes to Digitas Detroit as VP/group director of social strategy and analysis, reporting to Alec Bokman, SVP of strategy and analysis. Formerly with Ernst & Young, Burbary was director of digital strategy and social media.

TheStreet.com: Christopher “Woody” Marshall has been appointed chairperson, stepping into the role for founder and markets commentator Jim Cramer. Cramer will, however, remain on the board and continue in his editorial role. Marshall is currently a general partner at Technology Crossover Ventures. Prior to that he spent over a decade with Trident Capital.

Hungry City Guides: Adam Guild has sold online publisher rep firm Winstar Interactive to current employees and moved on to the new roles of president and CEO of Hungry City Guides. Guild was earlier president of Interep Interactive, where he purchased the assets of Winstar Interactive Media in 2001.

Sharethrough: Online advertising vet Robert Pietsch has joined as VP of sales. A “genuine O.G. in digital media,” as the Sharethrough blog says, Pietsch most recently held the VP of sales post at MySpace (NSDQ: NWS). Prior to that he was chief digital advertising officer at Forbes.com.

SEMplest: Paul Benjou has been announced as CEO of the search engine marketing provider. Throughout his 35-year-or-so career Benjou has held positions at The Center for Media Management Strategies, a company which he founded and served as principal, and Universal McCann’s Digital Communications Practice.

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