[4] In 2010, Riza co-founded Red Granite Pictures, an American film finance, development, production and distribution company, with producing partner Joey McFarland.

[12] In September 2015 the US Department of Justice investigated Riza's property transactions related to the role of Najib Razak in the 1Malaysia Development Berhad scandal.

[13][14] In July 2016, Riza Aziz was named in FBI's 1MDB lawsuit,[15] as tens of millions of dollars in funds diverted from 1MDB were used to produce the 2013 Martin Scorsese film The Wolf of Wall Street.

[16] In 2017, it was revealed that Dumb and Dumber To and Daddy's Home were also financed by the Malaysian government investment fund through corrupt officials and financiers.

[20] In 2020, he was discharged not amounting to an acquittal (DNAA) from five money laundering charges over US$248 million (RM1.25 billion), he had misappropriated from sovereign wealth fund 1Malaysia Development Berhad.