She studied at the Lausanne Conservatory where she received, at the age of 15, her diplomas for teaching the violin and for chamber music.

She continued her studies at the University for Music and Drama in Berne in the class of the Slovenian violinist and teacher Igor Ozim.

[6] Kolly has premiered many new works by such composers as Tristan Murail, Éric Gaudibert, Frederic Perreten, Valentin Villard, Fréderic Danel, Marco Attila, Katrin Frauchiger, Jonas Kocher, and Brice Catherin, among others.

[10] French Impressions won Best Recording of the Year in the Concerto category at the prestigious International Classical Music Awards (ICMA) 2012.

[13] Her following recording, Fin de siècle, was released in February 2015, presenting works by Chausson and Franck.

Lyrical Journey was released in September 2017 and presents works by Richard Strauss and Guillaume Lekeu.