Ronaldo de Juan was born in Argentina in 1939, he was a second-generation Abstract Expressionist painter. He exhibited regularly at the Lerner-Heller Gallery in New York.
He was awarded a John Simon Guggenheim Memorial Foundation Fellowship in 1970. His work is in the collections of the Corcoran Gallery of Art in Washington and the National Museum of Fine Arts in Buenos Aires.
Ronaldo de Juan died of lung cancer on 1989 in Manhattan.