Mint Butterfield: Authorities believe Slack co-founder's 16-year-old daughter 'headed to the San Francisco area' after 'running away'

BOLINAS, CALIFORNIA: The teenage daughter of Slack cofounder has been reported missing after allegedly "running away." The Marin County Sheriff's Office notified the public about the disappearance of Mint Butterfield, 16, on Nextdoor and stated that they had been reported missing on Monday, April 22, at 8.30 am.

Police added that Butterfield was last seen on Sunday, April 21, at approximately 10 pm in Bolinas, California. According to NBC Bay Area, The San Francisco Standard and the San Francisco Chronicle, they are the child of Slack cofounder and former CEO Stewart Butterfield. He is currently estimated to have a personal wealth of $1.6 billion, according to Forbes.

Authorities have provided a description of the missing teen

Authorities shared a photo of the teen and noted that Mint is 5’0 tall, weighs 100 lbs. and has “brown/reddish curly hair” and pierced eyebrows. They added that Mint had last been seen wearing a “black sweatshirt, flannel pajama pants, and black boots” and may have had a “gray suitcase.” 

“It is believed Mint headed to the San Francisco area after running away,” Marin County Sheriff Deputy K Walther shared in the post. Sgt Adam Schermerhorn told the San Francisco Chronicle that the sheriff’s office was “working with SFPD detectives to try and locate” the teen.

Influential writer and social media personality Yashar Ali also posted about the teenager's situation in a post seen over 400,000 times, according to X analytics.

The teen has a history of substance abuse

Officials told the San Francisco Standard that the teen has a history of substance abuse and has been previously seen in the Tenderloin area which is located about 30 miles from where they were last seen in Bolinas. 

On April 23, San Francisco Board of Supervisors member Matt Dorsey, posted on X that Mint had been believed to be “in or around the Tenderloin neighborhood here in San Francisco.” He asked that anyone who may have seen the teen to contact police.

Mint’s mother, Caterina Fake, who lives in San Francisco reported her child’s disappearance on April 22, according to The San Francisco Standard and San Francisco Chronicle. She and Butterfield previously co-founded Flickr in 2004 and sold it to Yahoo in 2005, and they divorced in 2008, as per The San Francisco Standard.

As for Butterfield, after co-founding Slack, the company was eventually sold to Salesforce in 2021 for $28 billion. He left the company in 2022, according to the Standard.

Anyone with information on Mint's whereabouts have been requested to contact the Marin County Sheriff's Office.