He was born in Mantua in 1955. He has begun to engage in theatre in 1974, attending the workshop of puppeteer Giordano Ferrari.
Later he attended DAMS and he took part in various workshop and collaborated to realization of performances with different Companies.

In 1978 he founded the "Theatre of puppets suddenly", which in 1980 becomes TEATRO ALL'IMPROVVISO, with which it has produced 35 performances for children, represented throughout Italy and in various exhibitions and festivals abroad.
In most of the shows he made, Dario Moretti is interpreter, animator and author of the texts, scenes and directing.

His strong and natural predisposition to manual work allows him an easy approach to the various materials (wood, leather, clay, paper, iron, resins…), but only in 1986 he began a more artistic production linked to painting and sculpture.

Since 1974 Dario Moretti has worked in theatre world and he has involved with all activities related to the production of performances and he mainly dedicates to setting up the scene, lights and treatment of images.

He designed and built scenery for several Italian Companies, including the Theatre Centre of Brescia, Teatro Reon of Bologna, Teatro di Piazza o d'Occasione of Prato, Teatro Eduardo of Opera, the Theatre of Veneto, C.R.E.S.T. of Taranto. He has worked with Teatro Giocovita and Ravenna Teatro.
For the Lombardy Region has carried out projects, exhibitions and theatrical paths as: “Seeds of Pumpkin” (“Semi di Zucca”) and “The Theatre of wonders” designed for "SEGNALI", the Lombard Festival of Child Theatre.

Over the years he produced sketches that inspired scenes, designs for posters, installations related to theatrical projects, however, always works related to theatre world.
From this extensive production have been printed many posters for shows and exhibitions, four picture books and two decks of playing cards.

Dario conducted workshops and seminars about scenic exhibition, about various techniques of puppet theatre and theatrical writing.

Is to remember also the exhibition presented in Brescia at Palazzo Bonoris (July 2000) within of the International Circus Festival and the projects produced by Dario Moretti at Festivaletteratura (Mantua, 1997 - 2001) in particular places of the city such as the Prisons of Ducal Palace.