Patrick Collison is an angel investor and Stripe co-founder and CEO based in California. He backs U.S. technology companies across early- and later-stage venture rounds and has acted as a lead or co-lead investor. His investment activity spans AI and machine learning, developer tools, enterprise software, fintech, payments, hardware, robotics, manufacturing, industrial technology, SaaS, climate and biotechnology, making him relevant for engineering-led founders in software, infrastructure and frontier technology.