Cecilia M. Vega is an American journalist. She rotates with Tom Llamas on the weekend editions of ABC World News Tonight and senior national correspondent. She joined ABC News as a Los Angeles based correspondent in 2011. Since joining ABC News, she has covered a wide range of stories taking her across the country and overseas. Vega joined ABC News from KGO-TV in San Francisco, where she was part of a team awarded an Emmy in 2010. Before working in broadcast journalism, she was an experienced print journalist which included reporting for the San Francisco Chronicle.