(CBS SF) — A college student from Alameda was killed in a skiing accident in Colorado on Monday, Summit County coroner’s officials said.

Jacob Koltun, 22, grew up in Alameda and was living in Colorado attending the University of Colorado Boulder, according to his Facebook page.

Koltun was skiing an expert area without a helmet at the Breckenridge Ski Resort in Breckenridge, Colorado, when he suffered multiple skull fractures, according to the coroner’s office.

Koltun was taken to a hospital for treatment but died from his injuries there.

He was studying English at Colorado and interned at two ski magazines during his time there, according to his Facebook page.

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