was a young executive at McGavren Radio, a San Francisco-based firm that represented radio advertisers, when he was sent to New York in 1957 to open the company's first East Coast office. In 1967, the company became known as McGavren Guild, and in 1973, Guild became its President and Chief Operating Officer. In 1981, he launched Interep Radio, a holding company that brought independent rep firms together under a single corporate umbrella. By the start of the 21st century, Interep was the largest sales and marketing company dedicated solely to radio advertising. Ralph was inducted into the Radio Hall of Fame in 1998.
Mr. Guild has been an avid supporter of and investor in professional theatre for many years. He served as a Tony voter until 2012, and produced a number of Broadway plays including The Woman in White, The History Boys, Inherit the Wind, The Seafarer, and The Country Girl. Mr. Guild financially supports many arts organizations, including the Paley Center, The Actors Fund, and PBD. In addition, Ralph and his wife, Calla, are very supportive of the Dreyfoos School of the Arts. He is also an accomplished tap dancer, and continues taking lessons at least once a week.