Scott Ferber, the Baltimore-based entrepreneur who created and later sold to Aol, launched TidalTV, an online video ad optimization platform, in 2007. 

The company has recently raised an additional $30 million, bringing total funding to $61 million.

We spoke with Ferber last week at the Elevate video conference in Manhattan about the company's function as an "ad decisioning" engine for publishers and advertisers.

Here is a story by Leena Rao at TechCrunch about the recent funding.