Bradley A. Feld, Co-Founder & Managing Director at Foundry Group, Boulder, CO — Brad Feld, co-founder of Foundry Group. See sector focus and contact routes.
Brad Feld, co-founder of Foundry Group, is an early-stage investor who focuses on US-based technology companies, primarily in software infrastructure, fintech, DevTools, deeptech, and emerging sectors like aerospace and climate technology, investing $5 million to $15 million per company over its lifetime. He pioneered a thematic investment thesis, defining long-term themes (20–30 years) where significant companies can be built, and emphasizes founder obsession and product affinity as key partnership criteria. His notable portfolio includes early investments in Fitbit (IPO, acquired by Google), Zynga, MakerBot, SendGrid (acquired by Twilio), and Gnip (acquired by Twitter).
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