GBH is the largest producer of content for the Public Broadcasting Service (PBS) in the United States, creating programming for television, radio, and digital platforms from its base in Boston, Massachusetts. Its portfolio includes several of public television's most recognized series: the investigative documentary program FRONTLINE, the long-running science series NOVA, the history documentary series AMERICAN EXPERIENCE, and the cultural institution ANTiques ROADSHOW. The organization also produces MASTERPIECE and operates PBS LearningMedia, a free educational resource platform used by teachers and students worldwide.
The organization's work spans journalism, education, and digital media, with a stated commitment to fact-based storytelling, fairness, and transparency. Its technical expertise includes closed captioning and audio description technology, as well as the development of digital media platforms, aimed at making public media content accessible to the widest possible audience.
Operating as a nonprofit, GBH's mission centers on informing, inspiring, and connecting communities across the nation through its multiplatform content. Its productions reach millions of viewers, and its educational tools serve a global audience, positioning it as a significant institution in American public media.