Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley, California, investing in bold founders, innovators, and entrepreneurs building the future through technology. Founded in 2009 by Marc Andreessen and Ben Horowitz, the firm manages over $100B+ across multiple funds and focuses on seed to growth-stage technology companies across AI, bio + healthcare, consumer, crypto, enterprise, fintech, and more. It pioneered the platform model with a large team of operators dedicated to helping founders at every stage.