Siblings Teal Cooper (left) and Tristan Cooper (right) co-founded VendiBean in 2017. The company makes vending machines that brew espresso-based beverages at the push of a button. Photo courtesy of VendiBean.

Siblings Teal Cooper (left) and Tristan Cooper (right) co-founded VendiBean in 2017. The company makes vending machines that brew espresso-based beverages at the push of a button. Photo courtesy of VendiBean.

Stuck cramming for finals at the library in the early morning hours, Vendibean co-founder Tristan Cooper needed a boost...

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