Writer and lawyer Ronaldo Wrobel was born in Rio de Janeiro in 1968 and is the author of the novel Propositos do Acaso (The Designs of Chance) and of a short story collection, A Raiz Quadrada e Outras Historias (The Square Root and Other Stories). He has also a book on Jewish traditions, Nossas Festas – Celebracoes Judaicas (Our Festivities – Jewish Celebrations). Ronaldo writes a monthly column in the Jewish magazine Menorah.