David Cramer, Angel Investor

David Cramer is Co‑Founder and CPO of Sentry (sentry.io), the leading open‑source error monitoring and performance platform. He previously served as CEO and CTO, helping grow Sentry from a side project into a widely adopted developer tool. Earlier in his career, David worked as a software engineer at Dropbox, Disqus, Enthropia, and Curse, building expertise in developer‑focused products and large‑scale systems. As an angel investor, David has made about 18 investments, backing startups in developer tools, AI, and infrastructure. His recent portfolio includes Supermemory, Blacksmith, MetalBear, and Kernel, reflecting his focus on emerging technologies that enhance developer productivity and next‑generation computing.