Lorenzo begins his ballet training in 2007 with eight years of age at the Free Harmony Dance Time Dance School in Bolzano Vicentino (VI), Italy. He receives seven years training in various subjects of this school and changes from 2014 to 2015 to the vocational ballet school Il Balletto in Castelfranco Veneto. His main teachers are Susanna Plaino un Oleg Grachov. Since 2011, Lorenzo attends various ballet competitions and workshops. In September 2015 Lorenzo starts his training in the class 1 of the advanced studies at the Zurich Dance Academy of leading to a Federal Certificate of Proficiency (EFZ).

For the school year 2016-2017 the Pierino Ambrosoli Foundation supports him with a scholarship for the class 2 of the advanced studies at this school.

For his last year of training 2017-2018 at the Dance Academy's main study 3, Lorenzo is again awarded a scholarship from the Pierino Ambrosoli Foundation.

As of the 2018/19 season, Lorenzo Galdeman is a member of the Graz Opera Ballet. In the 2019/20 season, he performs in the following productions: "Cinderella," "Too Beautiful to Die," "Swan Song," "Happy (No) End," "Guys and Dolls," and "Die Fledermaus."

Since 2018, he is a soloist and member of the corps de ballet at the Graz Opera, dancing a diverse repertoire ranging from classical to contemporary works, musicals, and operettas. During this time, he also creates his own choreographies and teaches ballet at the opera's affiliated school. In 2022, Lorenzo joins the creative and modeling agency Flare Talents as a model, choreographer, creative assistant, and director. He also creates his first original piece, STAR WALK, for which he develops the concept, choreography, and music.

In August 2025, he gets a contract for a role in the classic musical "The Phantom of the Opera" at the Raimund Theater in Vienna (AT).

With his unique stage presence and passion, Lorenzo embodies a character, both as Hannibal's guard and in the musical's ensemble, that has moved and inspired generations.