Brad Feld and the other co-founders of Techstars. Techstars was founded in 2006 in Boulder by David Cohen, David Brown, Brad Feld and Jared Polis and is a mentorship-driven accelerator that invests in the world’s most promising startups. David Cohen and David Brown were co-founders of Pinpoint Technologies. Brad Feld is a co-founder of Foundry Group and Mobius Venture Capital. Jared Polis serves as Colorado’s 2nd District representative in the U.S. Congress and co-founded electronic greeting card company,, and also founded ProFlowers.