Es guionista, realizadora audiovisual y directora de doblaje. Ha escrito y dirigido piezas de teatro. Enseña las asignaturas de Guión de ficción y Producción dramática, a nivel superior. Es guionista de la serie de video infantil "Deditos", producida en Viña Studios, Guatemala, y doblada a lenguas indígenas minoritarias de todo el mundo. Su opera  prima  en el género lírico, El hueco en el zapato, es Premio Paralelo Cera 2012. She is a screenwriter and has been involved in audiovisual production and dubbing. She has written and directed theater plays. Sandra teaches fiction screenwriting and dramatic production. She is the writer of the children's video series "Fingers" produced in Viña Studios, Guatemala, and translated into indigenous minority languages ??worldwide. Her debut film in the lyric genre, “El Hueco en el Zapato,” was awarded the 2012 Premio Paralelo Cero in Ecuador.