PIE (Portland Incubator Experiment) | 2,570 followers on LinkedIn. PIE is an ongoing experiment designed to help established organizations more effectively collaborate with startups | PIE (Portland Incubator Experiment) is an ongoing experiment exploring the potential for mutually beneficial collaboration between the Portland startup community and more well-established entities like corporations, government, and educational institutions. We've spent years mentoring, nurturing, and accelerating startups from around the world in Portland, Oregon. It's all been part of our mission to "build better founders."​