He was born in Caracas on August 21, 1943. He combined his university studies with a theatrical activity. He receives cinematographic formation along with Mario Robles in the realization of Image of Caracas (1965-68).

His first cinematographic work Pequeño Mundo dates from 1973. In 1975 in company of Iván Feo he realizes, by initiative of INCIBA / National Council of the Culture, the films Descarga. Also in company of Iván Feo directs his firs full length feature Portable Country based on the homonymous novel of Adriano González Leon, giving place to one of the most important films of the venezuelan cinematography.

His next film Adiós Miami, is a comedy of black humor about the contradictions and miseries of a Venezuelan who has ascended on the social scale on the basis of easy wealth.

With Profundo, his third feature, based on the play by José Ignacio Cabrujas, Llerandi elaborates a comedy with deep popular roots and, essentially, Latin American.