[1] He currently drives for Emil Frey Racing in the GT World Challenge Europe Sprint Cup and competes for Walkenhorst Racing in the Bronze class of the Endurance Cup.

[2][3] Previously, the Englishman won the 2021 DTM Trophy, having reached European racing following a number of years in Ginetta-based competitions and a stint in the British GT Championship, where he finished second in the 2018 GT4 standings.

[4][5] He also competed in the ADAC GT Masters, scoring a double victory at the Red Bull Ring alongside Niklas Krütten in his debut year.

[6] He returned to partner Eduardo Coseteng in 2023, though despite scoring three podiums, the pair finished seventh in the standings, last of all full-time entrants.

In the first race of the 2024 GT World Challenge Europe Sprint Cup season at Brands Hatch, which he contested alongside Konsta Lappalainen, Green took pole position before finishing second.