Andrew Hsu, Angel Investor

Andrew Hsu is co-founder and CTO of Speak, an AI-powered language learning platform launched in 2016. Speak focuses on helping users gain fluency by replicating real conversational practice through AI tutors, and has expanded to more than 40 countries. Hsu was part of the first class of Thiel Fellows, leaving Stanford’s neuroscience PhD program to pursue entrepreneurship. His career spans AI-driven education, neuroscience, and startup innovation, with a focus on building transformative learning technologies. As an angel investor, Hsu has supported Raindrop, a seed-stage company, backing its efforts to develop advanced solutions in technology and digital learning.