After building and selling a custom software development company in the early 1990s, Brad Feld turned to angel investing, with a focus on early-stage startups. Some of his notable investments include Fitbit, Zynga, and MakerBot. Brad is a co-founder of the global accelerator program Techstars, as well as Foundry Group, a venture capital firm based in Boulder, Colorado. An innovative voice in the tech community, Brad has authored more than a dozen books and regularly shares his insights in the Feld Thoughts blog.