Slack co-founder’s child reported missing, may be in San Francisco

SAN FRANCISCO (KRON) — A billionaire businessman’s teenaged child is missing and may be in San Francisco’s Tenderloin neighborhood, authorities said.

Mint Butterfield, 16, was last seen late Sunday night in Bolinas, the Marin County Sheriff’s Office said. Mint was reported missing to law enforcement on Monday morning. “It is believed Mint headed to the San Francisco area after running away,” the Sheriff’s Office wrote.

Mint’s father is Stewart Butterfield, the co-founder and former CEO of Slack, according to reports.

“This is a missing child whom we now believe to be in or around the Tenderloin neighborhood here in San Francisco. If you see Mint Butterfield … or have information about her whereabouts, please contact the phone number (415-569-0003),” San Francisco Supervisor Matt Dorsey wrote on X.

Mint has reddish-brown curly hair and eyebrow piercings. The teen was last seen wearing a black sweatshirt, flannel pajama pants, and black boots, the Sheriff’s Office said.

Mint is five-feet-tall, weighs 100 pounds, and may have a gray suitcase. The Marin County Sheriff’s Office is asking anyone with information on Mint’s whereabouts to contact them.

Stewart Butterfield and his ex-wife co-founded Flickr, a photography and image sharing website, before they sold it to Yahoo for $25 million in 2005, according to Yahoo News. Butterfield co-founded Slack, an office workplace messaging app, in 2009, his LinkedIn page states.

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Forbes magazine wrote, “In July 2021, cloud software giant Salesforce acquired Slack for $27.7 billion in cash and stock. Butterfield departed Salesforce in December 2022, amid an exodus of executives at the software giant.”

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