Founder Institute Boston | 161 followers on LinkedIn. The Founder Institute is the world's largest pre-seed startup accelerator. | The Founder Institute is the world's largest pre-seed startup accelerator. Since 2009, we have helped over 5,000 entrepreneurs get the focus and support needed to build a business that matters. Based in Silicon Valley and with chapters across 90 countries, the Founder Institute's mission is to empower communities of talented and motivated people to build impactful technology companies worldwide.