Venture-backed BlackArrow has added Michael Pohl to its board. BlackArrow develops advertising products for television platforms. Pohl currently serves as a director for Ascent Media, and is chairman of the board of directors of BigBand Networks. Pohl served recently as CEO of Jinni Ltd, a search and recommendation service for video content. BlackArrow is backed by Cisco Systems, Comcast Interactive Capital, Intel Capital, Mayfield Fund, Motorola Ventures, NDS Group and Polaris Venture Partners.