Cornerstone Media Group

Cornerstone Media Group is a marketing agency in Peachtree Corners, GA, specializing in performance advertising, media buying, managed media solutions, and unwired network services. The agency develops strategic partnerships between media outlets and direct response advertisers, leveraging data-driven decision making and customized analytical tools. Since 1995, it has operated across broadcast television stations, cable systems, satellite providers, syndication, and national networks, reaching television households in every Designated Market Area (DMA). It represents over 800 media outlets and deploys proprietary video servers to maximize campaign reach and efficiency.

The company was founded in 1995 by Michael Clark and Don Epstein, who bring decades of experience in media and advertising. Clark previously served as media director at Fingerhut’s television division, USA Direct, where he pioneered non-conventional media distribution. Epstein has worked in the entertainment and advertising industry for 38 years, beginning at CBS and WNYW in New York. Cornerstone Media Group designs and maintains all its systems in-house, enabling rapid adaptation to changes in the advertising landscape. The agency emphasizes technological innovation, industry relationships, and strategic placement of direct response media in remnant, unsold, or undersold inventory.

Located at 107 Technology Pkwy NW in Peachtree Corners, the business operates in a technology-focused corridor. The street is part of a commercial district serving the broader Atlanta metropolitan area, with access to major transportation routes and regional infrastructure. While no specific nearby landmarks are listed, the address places the agency within a hub of technology and business activity.

Cornerstone Media Group is recognized for its long-standing expertise in media placement and its commitment to performance-based advertising. Its in-house development of analytical software and video infrastructure underscores its technological leadership. The agency’s reputation is built on decades of experience, strategic partnerships, and a focus on measurable campaign results. It stands as a trusted partner for advertisers seeking broad media coverage through innovative, data-driven strategies. In Peachtree Corners, Cornerstone Media Group is a key player in the evolving media landscape, combining legacy experience with modern technological solutions.