Los Angeles-based Mogreet, the video-based, mobile marketing firm headed by James Citron, reported today that it has named Jesse Silver as Senior Sales Director. SIlver was previously at OpenMarket, and also served at MX Telecom. Mogreet said it is expanding the sales team to drive new business for the company. Mogreet is venture backed by Ascend Venture Group, Black Diamond Ventures, DFJ Frontier, and Spyglass Ventures.