Pang was a secretary at ABKCO, a management company started by Allen Klein, in New York City. ABKCO's clients included three of the Beatles: Lennon, George Harrison and Ringo Starr. When Lennon and wife Ono needed an assistant, Pang was sent to England to work for them. She dated musician Peter Ham of Badfinger, and helped Lennon and Ono move to the United States, late in 1971.