[3] His father was a prominent Argentine surgeon who later served in a number of social policy posts for President Juan Perón, as well as one of his personal physicians.
[5] He worked alongside his father in the Ministry of Education as Head of Cabinet following the return of Peronism to power in 1973, and despite being threatened by the Triple A, he decided to remain in the country.
Following his release, Taiana held several academic positions until he was appointed Advisor to the Foreign Affairs Committee of the Argentine Chamber of Deputies (1987–89).
[8] He remained generally supportive of her administration, however, and in September was nominated to head the Front for Victory party list for the Buenos Aires City Legislature.
[12] On 9 August 2021, Cabinet Chief Santiago Cafiero confirmed Taiana would be the next Minister of Defense of Argentina, in replacement of Agustín Rossi, who resigned to focus on his campaign to the Senate in the 2021 legislative election.