Lucy Guo cofounded artificial intelligence firm Scale AI in 2016 with Alexandr Wang, who she met while they were working at question-and-answer website Quora. Guo left Scale AI in 2018--the same year she made the Forbes Under 30 list--and cofounded ventur...

When Massachusetts Institute of Technology dropout Alexandr Wang made the Forbes 30 Under 30 Enterprise Technology list in 2018, his startup Scale used artificial intelligence to begin automating tasks like image recognition and audio transcription. Back...