LAS VEGAS – Kassi Belz, president of MassMedia, a full-service public relations, advertising and marketing firm with offices in Las Vegas and Irvine, California, announced the agency has hired Marcus Rochellle as the company’s grassroots manager. In his new role, Rochellle specializes in implementing grassroots and direct engagement strategies for MassMedia’s clients. He is … [Read more...] about MassMedia Hires Marcus Rochellle as Grassroots Manager