Matthew Perry’s Assistant Sentenced to More Than 3 Years in Prison Following Actor’s 2023 Overdose

May 27, 2026 1:49pm PT Matthew Perry’s Assistant Sentenced to More Than 3 Years in Prison Following Actor’s 2023 Overdose

By Payton Turkeltaub

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Payton Turkeltaub

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Kenneth Iwamasa, Matthew Perry’s live-in personal assistant, was sentenced to 41 months in federal prison on Wednesday following Perry’s fatal ketamine overdose in October 2023. Iwamasa was charged for his role in obtaining and repeatedly injecting Perry with the drug, including the administration that resulted in his death, according to a release from the U.S. Department of Justice. 

Iwamasa, who had known the “Friends” actor since 1992 and became his assistant in 2022, pleaded guilty in August 2024 to one count of conspiracy to distribute ketamine resulting in death and serious bodily injury. He is the fifth and final defendant to be sentenced in connection with Perry’s death. 

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