[3] In 2008, at the age of 26, Scaglione became the music director of the Young Musicians Foundation Debut Orchestra of Los Angeles and continued the role through 2011.
[4] Shortly after he began his role with the orchestra, he was awarded the 2009 James Conlon Conductor Prize by the American Academy of Conducting at Aspen.
[7] Scaglione was elected as the chief conductor of the Württembergisches Kammerorchester Heilbronn in 2018.
[8] One year later, he was named music director designate of the Orchestre National d'Île-de France for the 2019/20 season.
In the spring of 2022, he made his Opéra national de Paris debut in a production of Elektra by Richard Strauss, stepping in for Semyon Bychkov in the last three performances.