Google's Engineering Director Steven Horrowitz who led development of Google Android's mobile project to build a Linux-based open-source phone operating system has joined Coupons Inc.

The Mountain View interactive coupon marketing and technology company will put Horrowitz as the new chief technology officer whom he will oversee Coupons' global engineering, product management and technology efforts for its creation and distribution of coupons to retailers.

The company is at a pivotal point in its business, and I am eager to help further advance its development and deployment of new platforms and services for digital promotions, Horowitz said in a statement Tuesday.

Steven R. Boal, CEO and founder of Coupons, in a statement, saying Our business is experiencing unprecedented growth, and as we extend our digital promotions platform to in-store, in-appliance and mobile phones, this is the ideal time for Steve to bring his deep experience to our team

Steve[Horrowitz ] is a business-minded, consumer-focused and battle-tested technology leader, and I couldn't be more thrilled that he is joining our team.

The departure signals a potential shift for Google, which has counted on Horowitz for nearly all of of its Android development. A replacement hasn't been publicly named.

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