At his annual master class in Vaasa, Panula met Peltokoski, and subsequently accepted him as a private conducting student for the next four years.
[7] Peltokoski continued his music studies at the Sibelius Academy, where his conducting instructors included Sakari Oramo, before leaving the institution without a degree.
[8] During the COVID-19 lockdown, the Deutsche Kammerphilharmonie Bremen invited Peltokoski for a guest-conducting engagement in late 2020,[9] at the suggestion of Pekka Kuusisto and Iiro Rantala.
On the basis of this appearance, the RPhO announced the appointment of Peltokoski as its next principal guest conductor, effective with the 2023–2024 season, with an initial contract of 4 years.
In July 2024, the orchestra announced the appointment of Peltokoski as its next music director, effective with the 2026-2027 season, with an initial contract of four years.