Deborah Castellano Lubov is a Vatican Accredited Journalist-Correspondent for Vatican News and an NBC-MSNBC Vatican Analyst. Known as a Vaticanista, she has traveled the world with Pope Francis, providing in-depth reporting and analysis on Vatican affairs.

As an author, Lubov penned 'The Other Francis,' which has been translated into five languages. She has also contributed to 'Vocabolario di Papa Francesco I & II,' further demonstrating her expertise in Vatican-related topics.