Alexandre Baldo is a laureate of both French promotion programs Talent Classique Adami 2023 and Fondation Royaumont. In 2023, he won the Audience Prize at the 14th International Singing Competition for Baroque Opera Pietro Antonio Cesti; he also won in 2021 the first prize and audience prize at the Göttinger Händel Wettbewerb in Germany as well as the Note 1 Music GmbH and Fiori Musicali prizes at the Internationaler H. I. F. Biber Wettbewerb in Austria.

Since then he has performed with Le Concert Spirituel led by Hervé Niquet, with whom he made his debut in March 2022 at the Opera de Reims in the role of the Mage from Le Marriage forcé by Jean-Baptiste Lully. 

In October 2022, he performed the solo part from Händel's Messiah in a staged performance with the conductor Oliver von Dohnányi at the Silesian Theater in Opava (Czech Republic).

As a laureate of the Tremplin Program 2022 launched by the French endowment fund Tutti, Alexandre Baldo participated in two gala concerts at the Opera National de Paris in November 2022 together with artists such as Nicolas Courjal, Anna Pirozzi and Nicole Car. 

In January 2023, together with the Baroque ensemble Mozaïque, he made his debut at Brucknerhaus Linz performing Orpheus am Gänsemarkt, a concert program dedicated to works by Georg Philipp Telemann, Reinhard Keiser, Johann Sigismund Kusser et Georg Friedrich Händel. 

His first solo recording, dedicated to bass arias by Antonio Caldara and accompanied by the Ensemble Mozaïque, was launched in May 2023 by the Pan Classics label. Presentation concerts include venues such as Festival de Saintes, Salle Cortot Paris and Schloss Theater Rheinsberg. 

2023 was also marked by his first collaboration as a soloist with the Austrian conductor Martin Haselböck, as well as his second collaboration with the Pan Classics label participation in the world premiere recording of the Oratorium de Passione Domini nostri Jesu Christi by Franz Joseph Aumann (1728-1797), singing the role of « The Sinner », together with Ars Antiqua Austria and its director Gunar Letzbor.

This Autumn, Alexandre Baldo will be participating as a soloist in the recording of Israel in Egypt by Händel together with Le Concert Spirituel led by Hervé Niquet. 

He will perform the roles of Esculapio and Plutone from L’Orfeo by Antonio Sartorio in December 2023 at Théâtre de l’Athénée in Paris under the baton of Philippe Jaroussky.