Mojiva, which runs the mobile ad network of the same name, and the mobile ad serving platform, Mocean Mobile, has closed a $25m (£15.7m) Series C funding round. The round was led by Shamrock Capital Advisors, an investment firm focused on the media, entertainment and communications sectors, with additional participation from Mojiva’s previous investors, Pelion Venture Partners and Bertelsmann Digital Media Investments.

The company has also appointed financial veteran John Breeman to the post of chief financial officer. Breeman brings more than 30 years of experience in mergers & acquisitions, financial management and developing and executing strategies at global conglomerates such as IDT, AT&T and Siemens, to the role.

“Shamrock Capital has been one of the most successful private equity firms in the media segment and are backing top companies across all forms of media,” said Dave Gwozdz, CEO of Mojiva Inc. “Having investors with such a deep knowledge of the media space will be a huge benefit to us as we expand the business to meet the needs of brands who are increasingly relying on mobile as a critical advertising medium.”

During the first half of 2011, Mojiva says it has seen demand for its two business units, Mojiva and Mocean Mobile, rise dramatically. The Mojiva mobile advertising network now represents 3,000 mobile web publishers, and apps. It reaches more than 100m monthly unique users in the US, and 400m monthly unique users globally.

The Mocean Mobile ad serving platform serves display ads to all mobile devices including smartphones, tablets and netbooks. It currently powers more than a dozen mobile ad networks and dozens of media partners’ mobile properties, including MSNBC, Intel and others.