Kenneth Iwamasa’s name was not familiar to the public until recent years. For decades, he worked quietly behind the scenes in Hollywood, managing schedules, assisting stars, and ensuring that the daily lives of celebrities ran smoothly. Born in Toluca Lake, California, and raised in Midland, Michigan, he built a career that spanned more than 30 years in the entertainment industry.
In May 2026, however, his name appeared in headlines worldwide. He was sentenced to 41 months in prison for his role in the death of Matthew Perry, the beloved actor from Friends. The case shocked fans and raised questions about the responsibilities of those who work closely with celebrities battling addiction.
Kenneth Iwamasa Age, Career, Family, Biography, Sentenced
| Attribute | Details |
|---|---|
| Full Name | Kenneth Iwamasa |
| Nickname | Kenny |
| Date of Birth | 1966 |
| Age (2026) | 61 years |
| Birthplace | Toluca Lake, California, USA |
| Raised In | Midland, Michigan, USA |
| Nationality | American |
| Education | H.H. Dow High School (1982); Lansing Community College; Columbia College Hollywood (Film & Video Production) |
| Profession | Talent Manager, Executive Assistant |
| Years Active | 1990s – 2023 |
| Known For | Long-time assistant to actor Matthew Perry; assistant to Angela Bassett (1993–2002) |
| Major Employers | Doug Chapin Management; private Hollywood clients |
| Salary with Perry | $150,000 per year (2022–2023) |
| Legal Issues | Convicted in 2026 for conspiracy to distribute ketamine resulting in death |
| Sentence | 41 months in federal prison + $10,000 fine |
| Marital Status | Unmarried |
| Family | Parents: Robert Iwamasa & Ruby Iwamasa; Uncle: Yukio Iwamasa |
| Food Habits | Non-vegetarian |
| Notable Traits | Loyal, discreet, hardworking, trusted aide |
| Controversy | Role in Matthew Perry’s ketamine overdose death (2023) |
Early Life and Background
Kenneth was born in 1966 to Robert and Ruby Iwamasa. His mother, Ruby, worked for more than three decades with Delta College Public Broadcasting. Kenneth attended H.H. Dow High School in Midland, graduating in 1982. He later studied at Lansing Community College before moving to Los Angeles to pursue higher studies at Columbia College Hollywood, where he focused on photography, cinematography, and film production.
At Columbia College Hollywood, Kenneth studied film and video production. His academic background gave him technical knowledge, but his career path soon shifted toward management and assistance roles. He developed skills in organization, confidentiality, and problem-solving—traits that made him valuable in the entertainment industry.
Career Beginnings in Hollywood
Kenneth began his career with Doug Chapin Management, where he worked as a talent manager and executive assistant. Over the years, he built a reputation for being reliable and trustworthy. His responsibilities included scheduling, household management, and handling sensitive personal matters for clients.
He was not a public figure himself, but within Hollywood circles, he was known as a dependable aide who could be trusted with confidential tasks. His career placed him in close contact with stars, producers, and writers, making him a familiar name in the industry’s inner circles.
Working with Celebrities
Kenneth’s career highlights include serving as an assistant to Angela Bassett from 1993 to 2002. He also worked with writer-producer Kate Lanier, actress Carol Kane, actor Allen Payne, and others such as Robby Benson, Regina Taylor, Elizabeth Montgomery, and Theresa Russell.
His work often involved managing daily routines, coordinating travel, and ensuring that professional commitments were met. For many of these celebrities, Kenneth was more than an assistant—he was a trusted confidant.
Association with Matthew Perry
Kenneth first met Matthew Perry in 1992. Their professional relationship grew stronger over the years, and in 2022, Perry hired him as a live-in assistant, paying him $150,000 per year. Kenneth moved into Perry’s Los Angeles home, where he became deeply involved in the actor’s daily life.
His responsibilities included managing Perry’s schedule, coordinating medical care, and assisting with personal needs. Friends described him as one of Perry’s closest aides, someone who was always by his side during difficult times.
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The Tragic Death of Matthew Perry
Matthew Perry was discovered dead in his jacuzzi on October 28, 2023. The autopsy revealed that he died from the acute effects of ketamine combined with drowning. Kenneth was the last person to see Perry alive and the one who discovered his body.
Investigations later revealed that Kenneth had administered multiple ketamine injections to Perry on the day of his death. Despite knowing Perry’s history of addiction, he continued to provide the drug without medical training.
Legal Troubles and Conviction
In August 2024, Kenneth pleaded guilty to conspiracy to distribute ketamine resulting in death. Prosecutors argued that he acted as Perry’s enabler, supplying and injecting ketamine repeatedly in the weeks leading up to the actor’s death.
On May 27, 2026, Judge Sherilyn Peace Garnett sentenced him to 41 months in prison and fined him $10,000. The court noted that his actions were reckless, though not malicious. He became the final defendant sentenced in the case, which also involved corrupt doctors and dealers.
Family and Personal Life
Kenneth Iwamasa has always kept his personal life private. He never married and has no children. His family, however, has stood by him during his legal troubles. His uncle, Yukio Iwamasa, publicly defended Kenneth’s character, describing him as a loyal and sincere person who always followed instructions carefully.
Family members expressed shock at the charges against him, insisting that Kenneth was not a criminal but someone caught in a tragic situation. Their support highlighted the human side of his story—behind the headlines was a man with relatives who believed in his integrity.
Public Reactions and Media Coverage
The death of Matthew Perry was a global news event. Fans of Friends mourned the loss of the actor who had brought laughter to millions. When Kenneth’s role in Perry’s final days came to light, reactions were mixed. Some saw him as a loyal aide who tried to help Perry, while others viewed him as an enabler who failed to protect his employer.
Judge Sherilyn Peace Garnett, during sentencing, acknowledged Kenneth’s loyalty but stressed that his actions were reckless. Media outlets covered the trial extensively, portraying Kenneth as a figure caught between devotion and responsibility. Perry’s family members also spoke out, expressing disappointment that someone so close to him had contributed to his downfall.
Interesting Facts About Kenneth Iwamasa
- Kenneth is often called “Kenny” by friends and colleagues.
- He is a non-vegetarian, a detail that surfaced during personal interviews.
- He spent more than three decades in Hollywood, working with some of the industry’s biggest names.
- Despite his long career, he became infamous only after Perry’s death.
- He was known for being discreet, loyal, and hardworking—qualities that made him trusted by celebrities.
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