Artworks from notable artists such as Richard Hambleton, Futura, Jean-Michel Basquiat, and Francis Bacon were exhibited in these shows.
He was educated in business studies and began his career at the Valmorbida family's investment firm based in New York.
[6] Valmorbida acted as executive producer on the 2017 documentary Shadowman reflecting Hambleton's life and career.
[8] In September 2021, he was involved in a legal dispute regarding accusations of fraud and alleged efforts to conceal his tax residence, leading to his case being referred to Jersey's attorney general.
[11] In his earlier life he was a noted socialite, having made headlines in 2008 after his credit card was stolen by US oil heir Brandon Davis who had been cut off from his family fortune; as well as for partying with people including Paris Hilton.