Jonathan Leroux was born in Santiago of Chile. Son of immigrants, a French father, and a Nicaraguan mother, he grew up in Santiago, Chile.He studied filmmaking, first at Fundación Universidad del Cine in Buenos Aires, Argentina, and later on at Universidad del Desarrollo in Santiago, Chile. In 2020, he studied acting in Montreal, Canada, in French and English with casting director Josa Maule. He is based in Paris, France, studying "Acting in English" at Cours Florent.Jonathan Leroux speaks French, Spanish, English, and Portuguese. He has the French and Chilean passport and citizenship, allowing him to work with no problem in France and the rest of the European Union.