Rossana Placidi already at a very young age attended modeling and ceramics courses organized by the Ministry of Education held by Prof. Jacchia.
She obtained her diploma as a teacher of preparatory grade schools first and, later, of first grade schools, thus teaching in both state kindergartens and elementary schools.
Having graduated from the University of Rome "LA SAPIENZA" in history and philosophy, she teaches in state classical and scientific high schools in the capital.
She attended, over the different years, other courses: sculpture and clay modeling with master Antonio Miccioli of the C.E.R. in Rome, with sculptor Marco Severini in Via della Reginella in Rome, with Claudio Valenti, Luigi Nasuti and Antonella Conte in the school of arts and crafts" Nicola Zabaglia", for working with Lecce stone with sculptor Sandro Marinacci, of intaglio and graphics in the International School of Graphics "Venezia Viva" in Venice and in the workshop in Via Modena in Rome.
In 1986 he participated in the group exhibition of graphics and engraving, "Non solo segno "at Palazzo Valentini.
In 2002-03 he directed a clay modeling workshop in the Liceo Scientifico Statale di Roma, "B. Russell."
In 2008, he participated in the ninth edition of ATINART, an extemporaneous sculpture competition, obtaining a jury award.
He participates with the Zabaglia Association in several group exhibitions: in Via della Greca, in the ATAC museum center and in the Latin paper mill in Via Appia Antica.
He exhibits in the cities of Marino and Tivoli.
In 2017 he curates several solo exhibitions hosted in the exhibition hall in via Ostilia 3 B.
In 2018 he founded the cultural association and art gallery "ARK of NOESIS" Colosseum, which he currently directs by promoting numerous exhibitions and cultural events.
In 2021 the Arca di Noesis gallery hosted his first solo exhibition "Vanity versus Vanitas" displaying sculptural works in terracotta, Lecce stone and intaglio.