English recording studio audio engineer and producer, best known as the engineer for EMI and later for Apple Records during The Beatles studio years.
For the film editor and writer, see Phil McDonald.
He joined Apple Studios as a senior balance engineer, at the age of 25. Aside from his work on Beatles albums, he was responsible for engineering on recordings by John Lennon, George Harrison, Paul McCartney, Ringo Starr, The Shadows, Roy Harper, Badfinger, Roger Daltrey, Rhead Brothers, and Squeeze.