TubeMogul, the fast-growing video advertising services firm, delivered over 900 million video ads in September, making it the sixth largest video ad property in the United States, according to comScore.

It is completely focused on providing programmatic video buying services for top brands and their agencies across multiple devices, says Brett Wilson, CEO in this inteview with Beet.TV

The company recently launched a product to measure brand effectiveness in real time.

We interviewed Wilson at the Beet.TV Real-Time Video Ad Buying Summit at the New York offices of GroupM.  TubeMogul was the sponsor of the event.