Roger Davies is an Australian artist manager, business manager, and music producer in the global music industry. Davies was born in 1952, and his career spans more than half a century. He has managed multiple pop and rock performers, including Sherbet (1970–1979), Olivia Newton-John (1979–1986), Tina Turner (1981–2010), Dalbello (1984), James Reyne (1986–1990), Tony Joe White (1989–2000), Janet Jackson (1989–2002), Joe Cocker (1991 to 2014), Sade (1991–present), M People (1997–2000), Cher (1999–present), and Pink (2001–present). (Via Wikipedia)