Quattro Wireless of Waltham, MA, announced today that it has raised $10 million in new venture funding to help expand its mobile content and advertising network. Despite the withering economy, Quattro hit a “hockey stick” in customer acquisition and revenue growth in late 2008 and needs the money to invest in sales, marketing, and technology efforts and move into international markets, according to CEO Andy Miller. (See below for our Q&A With Miller.)

The Series C investment round, led by existing investors Highland Capital Partners of Lexington, MA, and Globespan Capital Partners of Boston, brings the company’s total funding to $28 million. Quattro closed a $5.75 million Series A round at the time of its launch in the summer of 2006, and a $12.2 million Series B round in September 2007.

Overall, the amount of content available for consumption on mobile phones is growing faster than the advertising market can keep up, leaving many mobile publishers without as many high-paying ads as they’d like to run. But the con