He is the founder and editor of Confidencial, a news website and weekly publication combining investigative journalism and analyses of current affairs.

[1] Covertly, Chamorro attended small-arms training, studied Marxism and joined the propaganda section of the Sandinista National Liberation Front (FSLN),.

[1] Following the fall of the Somoza regime, Chamorro's mother briefly joined the Sandinista junta,[5] but became disenchanted in less than a year and, with Chamorro's siblings Pedro Joaquín and Cristiana, returned to La Prensa, which she turned into an opposition paper again, but this time opposing the FSLN.

[6] Chamorro had opposed his mother's candidacy, feeling it was counter-revolutionary and a sign of the weakness of the conservative party that nominated her.

[1] In June 1995 Chamorro began the weekly television newsmagazine "Esta Semana" and Cinco, and in 1996, he founded the news website Confidencial.

[7] He spent the following year at University of California, Berkeley, teaching reporting on Central America and taking classes, as well as learning from US newsmedia like 60 Minutes and NPR.

[11] In 2010, Chamorro won a Maria Moors Cabot Prize, administered by the Columbia University Graduate School of Journalism.