He worked with leading names in Argentine radio at the time such as Niní Marshall, Tita Merello, and Luis Sandrini, eventually becoming the station's programming director.

[2] He also hosted Cíclo Los Intérpretes (Performers' Series) on Radio Rivadavia, devoted to folk and classical music, and appeared as a recurring guest commentator on the popular round table program Polémica en el Fútbol (Controversies in Argentine Football).

[3] He later hosted El Locutorio (The Broadcast Room),[2] a cultural program, and Papeles Sueltos (Loose Papers), an intellectual round table show.

[7] He also hosted, among other programs, Hecho en Argentina, a geographic documentary series on the América 24 cable network, and from 2006 onward Tangos y Libros on Municipal Radio.

[10] He recovered, returned as host of Tangos y Libros, and in 2010 was awarded the Argentina Bicentennial Medal by Buenos Aires Mayor Mauricio Macri.

[4] Carrizo, whose career spanned seven decades, earned widespread respect among colleagues and listeners for his authoritative intonation and cultural breadth.