Background
He was born in Buenos Aires in 1948.
He was born in Buenos Aires in 1948.
He worked as the agent of over two hundred football players, and eventually became the agent of Diego Maradona. His relation with Maradona turned him into a famous television personality. He is the television host of "Yo, Guillermo" in Canal 5 Noticias.
He wrote an autobiography, "Guillote", published by Planeta, that became a best-seller in just 2 weeks.