She is the widow of Mexican novelist Carlos Fuentes, and served alongside her husband as Mexico's Ambassador to the United States and France.
[2] The United States Central Intelligence Agency kept a file on Lemus de Fuentes and her husband because of their political relations.
Lemus de Fuentes gained recognition when she started Tratos y Retratos; Beyond the fame, there is a human being,[5] an internationally acclaimed television show in which she interviewed her friends and other high profile figures.
Amongst the interviewees are Anthony Quinn, Carlos Montemayor, Henry Kissinger, José Saramago, Salman Rushdie, Eric Hobsbawm, Fernando Botero, Susan Sontag, Toni Morrison, Steven Spielberg, Antonio Banderas, Isabel Allende and Mia Farrow, as well as her husband's long-time friend Gabriel García Márquez.
[5] Silvia is commonly seen in tabloid publications in the company of celebrated figures,[6] such as King Juan Carlos of Spain and Hillary Clinton.