Founder Institute Keystone Chapter is a Philadelphia-based pre-seed startup accelerator in the Founder Institute network serving founders in the Delaware Valley, Philadelphia and Princeton areas. It supports earliest-stage technology founders through a 14-week core program, mentorship, global founder network access, lifetime support, and funding-readiness pathways including Funding Lab and Virtual Demo Days. The program is most relevant for pre-seed founders in sectors such as SaaS, AI and machine learning, FinTech, HealthTech, CleanTech, marketplaces and education seeking structured validation and investor readiness in the United States.