Born in Iquique, Chile,[1] Tassara had a short career as a football goalkeeper, playing for the teams of Tocopilla, María Elena and Copiapó.

At professional level, he was a substitute of Mario Ibáñez for three years in Universidad de Chile.

[5] He was the first Chilean manager to work in the Peruvian top division, before José Tadormina, Ramón Estay, among others.

[2] He graduated as a normal teacher in Copiapó, Chile, and next he studied physical education, beginning his teaching career in María Elena in 1952.

In addition, he recorded brief technical lessons for the Costa Rican TV and radio media.