He currently serves as the United States Bureau Chief for Infobae, the worldwide leading news organization in Spanish language. He also works as an international correspondent for multiple global news networks. Previously, Stupenengo worked as an international correspondent for CNN based in Chile and Argentina. He also worked as an international correspondent for Fox International Channels. He started his career as a news reporter with ESPN and also worked at Channel 5 News, CNN Chile, Telefe, America TV, TVN, Canal 13 and Red Más Noticias.