<P> Peter Brown is an American - based English businessman . After Brian Epstein recruited Brown to run the Epstein's music store in Liverpool, he became part of the Beatles' management team . He remained Epstein's and the Beatles' personal assistant until the band's dissolution . He helped found and served as board member of Apple Corps and assumed Epstein's duties after the manager's death . He went on to establish many companies and resides in New York City . </P> <P> When the Epsteins opened a second store at 12--14 Whitechapel in Liverpool and put Brian Epstein in charge of the entire operation, Epstein often walked across the road to the Lewis's department store (which also had a music section), where Brown was employed . He watched Brown's sales technique and was impressed enough to lure Brown to work for NEMS with the offer of a higher salary and a commission on sales . Brown became a confidant to the Epstein family and ran the music store for Epstein before becoming part of the Beatles' management team . Brown was Epstein's and the Beatles' personal assistant during the 1960s . He was one of few to have direct contact with each Beatle, travelling worldwide with the band members and knowing their daily whereabouts . </P> <P> Brown served as a board member of Apple Corps, the Beatles' company, which he helped establish . After Epstein's death, Brown assumed many of the day - to - day management duties Epstein had performed . Brown was with the Beatles at Rishikesh in 1968 . </P> <P> Brown was witness to the wedding of Paul and Linda McCartney and best man at the wedding of John Lennon and Yoko Ono during 1969 . Lennon mentioned Brown in a line from "The Ballad of John and Yoko" ("Peter Brown called to say' You can make it OK, you can get married in Gibraltar near Spain"'), one of the last Beatles singles . </P>

Who is peter brown in the ballad of john and yoko