Startup founder featured on '30 Under 30' list jailed for defrauding investors

Gökçe Güven, a 27-year-old entrepreneur featured on Forbes' 30 Under 30 list in 2025, has been sentenced to 25 months in US prison for defrauding investors of $7 million. The founder of Kalder pleaded guilty to securities fraud after misleading investors about the company's revenue and partnerships. She has been ordered to pay $6.7 million each in forfeiture and restitution.