Sentence for Matthew Perry’s Former Assistant
Judge Sherilyn Peace Garnett has handed down a sentence of 41 months in prison to Kenneth Iwamasa, who was Matthew Perry’s former live-in assistant, for his role in distributing the ketamine that led to Perry’s death.
Iwamasa had previously pleaded guilty in August 2024 to conspiracy related to the death caused by his distribution of ketamine. Reports indicate that he admitted to injecting the actor, best known for his role in “Friends,” with ketamine multiple times, including on the day Perry died, October 23, 2023. Notably, Iwamasa lacked any medical training. Perry’s family expressed to the court their trust in Iwamasa to look after the actor, who had a longstanding battle with addiction.
With Iwamasa’s sentencing, he becomes the last individual to face consequences related to Perry’s death.
In addition to prison time, Iwamasa will serve two years of probation and pay a $10,000 fine.
The Los Angeles Times has reported that Iwamasa was earning $150,000 annually, lived with Perry, and was considered part of the family prior to the actor’s tragic passing.
Prosecutors accused Iwamasa of not only administering the dangerous drug to Perry but also of attempting to destroy evidence following the discovery of Perry’s body in the bathtub of his home in Pacific Palisades.
Four other co-defendants have already faced convictions related to Perry’s death. Jasbeen Sangha, nicknamed the “Queen of Ketamine,” received a 15-year prison sentence for providing the fatal ketamine. Dr. Salvador Plasencia was sentenced to 30 months in federal prison with an additional two years of supervised release for his role in illegally distributing the drug.
Separately, Eric Fleming was handed a two-year prison sentence after admitting to distributing ketamine that led to Perry’s death. Additionally, Dr. Mark Chavez, who was involved in supplying ketamine to Perry, received an eight-month house arrest sentence along with three years of supervised release.





