Andrew co-founded PagerDuty (YC S10, NYSE:PD), which became the backbone of digital operations for thousands of businesses. As founding CTO, he designed the original product and its high-availability architecture, and scaled the engineering team to 70+ people. After PagerDuty, he became an early-stage investor at s28 Capital, supporting companies like Clerk, CaptivateIQ, and Teleport. Andrew brings deep experience in building resilient systems and scaling engineering teams from zero to impact.