Jonathan Ansell (High Tenor/Lead):
Jonathan is a founding member of G4 and one of the most recognisable voices in classical crossover. His powerful high tenor voice has been a defining feature of the group since their X Factor debut in 2004. Alongside G4, Jonathan has enjoyed a successful solo career, starring in musical theatre productions and releasing chart-topping albums.

Mike Christie (Baritone):
Mike, also a founding member of G4, brings his deep baritone tones and creative arrangements to the group’s unique sound. A talented musician and arranger, Mike’s contributions are at the heart of G4’s signature fusion of classical and contemporary styles.

Duncan Sandilands (Bass):
Duncan joined G4 in 2019, adding a rich, resonant bass voice that perfectly complements the group’s harmonies. With his commanding presence and vocal depth, Duncan has become a firm favourite with fans across G4’s tours.

Jai McDowall (Low Tenor):
Jai, winner of Britain’s Got Talent in 2011, joined G4 in 2023, bringing his heartfelt performances and stunning low tenor voice to the group. His background in musical theatre and classical crossover adds a fresh dynamic to G4’s beloved sound.