Ethan Batraski is a Partner at Venrock based in Palo Alto, where he focuses on early-stage entrepreneurs building. See sector focus and contact routes.
Ethan Batraski is a Partner at Venrock based in Palo Alto, where he focuses on early-stage entrepreneurs building breakthroughs in AI and frontier systems. He joined the firm in 2017 after spending over 15 years as a founder and executive leader at companies including Facebook, Box, and Yahoo. His investment thesis centers on data infrastructure, developer tools, open-source software, and hard engineering sectors such as space, computing, defense, and aerospace. Batraski typically invests at the early stage, often serving as a lead or co-lead investor, and has been the lead partner on 25 deals. Notable portfolio companies include Astranis, Atom Computing, Astronomer, and Skyryse, which span aerospace, quantum computing, data infrastructure, and aviation. He distinguishes himself through a “builder-investor” perspective, emphasizing market-centric approaches to help technical founders reach product-market fit. Batraski is also the lead or co-lead inventor on 12 patents and describes his mission as backing founders building the “American Frontier” in physical-world hard engineering.
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