St. Helens police chief to take leave amid cancer diagnosis

St. Helens Police Chief Matt Smith is preparing to take a leave of absence to undergo cancer treatment. Smith, who has led the department since summer 2025, said he was recently diagnosed with cancer after seeing a doctor for a minor symptom. He said he is meeting with his oncology team soon, and he will likely need surgery in addition to radiation and chemotherapy for at least six months. “Luckily it’s a cancer that responds well to treatment,” Smith said. He plans to take a leave of absence and transfer his responsibilities to an interim police chief while he receives treatment. Smith said he suspects he will remain on leave until June or July 2027. “I intend to fight it,” Smith said. “I’m going to kick cancer’s ass and get back to work.” Smith said one of his first priorities after his diagnosis was informing the city. At an upcoming meeting Nov. 18, the city council will discuss appointing Lt. Douglas Treat as interim police chief during Smith’s absence.

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