Medialets has raised $10 million in its third round of funding. Its media platform connects brands with display advertising opportunities for mobile devices and tablets. Brands use Medialets to discover new avenues for ads, as well as plan, buy, execute, and measure. On the other end, Publishers and ad networks use the platform to sell inventory.

This invite-only, private marketplace to ensure the value of the available ad space remains high. The centralization of cross-platform, diverse inventory in one place makes it easier for brands to manage and measure their campaigns. Medialets also provides creative guidance in developing engaging consumer experiences within an app.

Since its inception in 2008, Medialets has powered mobile ad campaigns for more than 300 large publishers, including BBC, BSkyB, CNN, ESPN, The New York Times, The Wall Street Journal, The Weather Channel and Yahoo!. This brings its total funding to $28.4 million, led by new investor Greenspring Associates. Previous investors include DFJ Gotham and the Foundry Group, which participated in the first two institutional rounds. It is based in New York City.

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