[4] Martín had been scheduled to conclude his tenure as chief conductor of the Gävle Symphony Orchestra at the close of the 2020-2021 season.
Following three subsequent return guest-conducting appearances, in January 2018, the National Symphony Orchestra announced the appointment of Martín as its next chief conductor, effective with the 2019–2020 season, with an initial contract of three years.
[7] In August 2022, the National Symphony Orchestra announced a two-season extension of Martín's contract as its chief conductor.
On the basis of this appearance, in February 2018, the LACO named Martín its next music director, effective with the 2019–2020 season, with an initial contract of three years.
[11] In March 2024, the MSO announced the extension of Martín's contract as chief conductor to 2028, with the addition of the title of artistic adviser.
[9] Martín has commissioned premieres of works by Ellen Reid, Andrew Norman, Missy Mazzoli, Derrick Skye, Albert Schnelzer and Juan Pablo Contreras.