He continued his music education at the Conservatoire National Supérieur de Musique de Paris, where he won a first prize in 1996, and at the Hochschule für Musik Karlsruhe.
[1] Gabel won the Donatella Flick Conducting Competition in November 2004,[2] and subsequently served as an assistant conductor with the London Symphony Orchestra as a result of this award.
Gabel was music director of the Orchestre Symphonique de Québec from 2012 to 2021.
[3] Gabel served as music director of the Orchestre Français des Jeunes, initially for the period from 2017 to 2018,[1] and subsequently continuing through 2021.
In June 2023, the Tonkünstler Orchestra announced the appointment of Gabel as its next principal conductor, effective with the 2025-2026 season, with an initial contract of four years.