 She has also promoted the establishment of an opera company OPTA (Opera for Tampico) in Tampico, Tamaulipas .Since 1998, Sierra has received four grants for study and performance from the Fondo Nacional para la Cultura y las Artes.Her most recent was to train to sing as a mezzo soprano with her first appearance as such in Il Trovatore by Verdi, which was performed in Monterrey in 2011.