Peter Gormley (c. 1920 – 8 May 1998) was an Australian born artist manager who guided the early careers of many recording artists, including Frank Ifield, Cliff Richard, The Shadows, Marvin Welch & Farrar, Labi Siffre and Olivia Newton-John.During the early 1970s the British Music press (NME et al.) sarcastically coined the phrase "The Gum Leaf Mafia" to describe Australian clients of Peter Gormley who arrived en masse in London in the late 1960s e.g.