Matt Bornstein is a General Partner at Andreessen Horowitz (a16z) focused on AI and data systems. See sector focus and contact routes.
Matt Bornstein is a General Partner at Andreessen Horowitz (a16z) focused on AI and data systems, having joined the firm in May 2019 after leading seed-stage investments at Blumberg Capital and working in business operations at LinkedIn. His investment thesis consistently targets foundational infrastructure that AI applications will depend on, with a focus on seed and Series A stages in enterprise infrastructure and AI sectors, primarily within the United States. While his specific check size is not publicly documented, he has led Series A rounds such as Cursor’s and actively backs pre-seed and seed companies like Replicate and Udio. Notable portfolio companies include Cursor, an AI coding assistant; Mistral, the open-weight model company; Hex, a data analytics platform; and Tecton, an ML feature store acquired by Databricks. Bornstein distinguishes himself by investing at the moment before most investors recognize the importance of the infrastructure layer, arguing that infrastructure vendors are the biggest winners in the generative AI market due to their ability to capture dollars flowing through the stack. He has also co-authored public writin
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