Who is Lucy Guo, richest self-made woman under 40 after Kylie Jenner? The wealthy tech CEO co-founded Scale AI with world’s youngest billionaire Alexandr Wang – and is neighbours with David Beckham

• At 27, Guo joins A-listers Taylor Swift, Rihanna, Maria Sharapova and Huda Kattan on Forbes’ Richest Self-Made Women Under 40 list – she’s worth US$440 million
• Before launching her start-up Moment, the Scale AI co-founder pursued the Thiel Fellowship by PayPal’s Peter Thiel and was Snapchat’s first female designer