MassMedia Accelerates Paid Media Capabilities With Leadership Appointment of Kristen Carter

LAS VEGAS, Dec. 9, 2025 /PRNewswire/ -- MassMedia Marketing, Advertising, PR, a Las Vegas–based integrated marketing, advertising and public relations agency, announced today the hiring of Kristen Carter as its Media Director. Carter's appointment marks a significant investment in the continued expansion of MassMedia's paid media practice and its commitment to delivering measurable, scalable growth for clients nationwide.