“I would say my whole universe is probably categorized as guerilla marketing. For a long time, I had a line which was, 'Whenever I hear the word 'marketing,' it makes me throw up a little bit in my mouth.'”

American entrepreneur, author, blogger, and venture capitalist

Brad Feld is an American entrepreneur, author, blogger, and venture capitalist based in Boulder, Colorado. He is known for his work at Foundry Group, which he started with Seth Levine, Ryan McIntyre, and Jason Mendelson. He is active as an entrepreneur, writer, and investor, and his profile is closely tied to Foundry Group in Boulder. His public writing and commentary reflect that mix of business building, investing, and ideas from the startup world.