He was also a film writer and director. He is most recognized for his work in creating "Libre de Culpas" in 1997.[1] His brother is modern pentathlete and politician Ivar Sisniega, and his children are Mexican-American actress Sofía Sisniega, Vera, David and Julian Sisniega.
Sisniega died suddenly of a heart attack on January 19, 2013.[5]