The agency has also opened offices in Huntsville, Alabama, and New York, spearheaded by hires Holly Jackson and Marley Hambourger.LOS ANGELES: Strategic communications firm Seven Letter has hired Brandon Shaw as a partner to launch the agency’s new Los Angeles office. Seven Letter, which is headquartered in Washington, DC, with an additional presence in Boston, is also launching offices in Huntsville, Alabama, and New York City, supported by new hires in each region. Holly Jackson has been promoted to lead ...