Execs & Accounts: Siebrecht Joins AdReady; Levinson Quits Google Board

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AdReady hired Karl Siebrecht as president and chief operating officer. Siebrecht was president of Atlas, now owned by Microsoft. He'll oversee AdReady's go-to-market strategy and identify expansion opportunities.

Arthur Levinson has stepped down from Google's board of directors. The move was presumably taken to avoid antitrust scrutiny of his dual board seats with Apple and Google, which are increasingly competitive in the browser, mobile, and operating system markets. His resignation comes two months after Google CEO Eric Schmidt stepped down from Apple's board. A statement from FTC Chairman Jon Leibowitz hailed the resignation. Levinson is the former CEO of Genentech.

Catalyst Direct hired Peter Platt as chief digital officer. He joins the Rochester, NY-based agency from Butler/Till Media, where he was VP of online media for the past seven years.

Video ad network BBE hired Ravi Tijare as VP, operations. Tijare was most recently a senior team manager of U.S. operations at Operative Media, an ad operations company. He fills a newly created position at BBE.

Mobile marketing tech firm Velti made several senior appointments. Dakota Sullivan joins as VP of global marketing in San Francisco. Greg Bauer becomes VP of mobile solutions East, brands and agencies in New York. And Wilson Cheung has been named CFO, based in the U.K.

Johannes Leonardo launched a cross-channel campaign for public radio station WNYC. The "Tune in and be Moved" campaign uses print, radio, and digital media to promote the relaunch of WNYC's classical music station WQXR and its frequency move from 96.3 FM to 105.9 FM.

Digital coupons player M-Dot Network hired Steven Goforth as EVP, business development. Goforth held senior roles at Catalina Marketing, Fujitsu ICL, and Jewel-Osco of Florida.