Los Angeles-based Channel M, which produces out of home video and advertising content, said today that it has appointed Paul H. Irving to its advisory board. Irving is co-chairman and Senior Corporate Partner at legal firm Manatt, Phelps & Phillips, LLP. Channel M is venture backed by Ascend Venture Group, Benedek Investment Group, Integral Capital Partners, and Vintage Capital Partners. Channel M provides content and advertising through in-store video screens and signage, across a range of demographics.