Andrew Chen is a General Partner at Andreessen Horowitz (a16z). See portfolio and contact routes.
Andrew Chen is a General Partner at Andreessen Horowitz (a16z), where he leads two $600 million gaming-focused funds and runs the Speedrun accelerator, having previously served as Head of Rider Growth at Uber before joining a16z in May 2018[4][6][11]. His investment thesis targets early-stage consumer startups across sectors including social, marketplaces, entertainment, gaming, crypto/Web3, biotech, and enterprise software, with a geographic focus on the United States[3][4][6]. Through Speedrun, he typically writes $1 million checks into early-stage startups as a lead investor before most venture capitalists complete their pitch review, while his broader fund activity includes $1 million to $15 million checks from seed through Series A[3][4]. Notable portfolio companies where he serves on the board include Substack, Clubhouse, Sleeper, Snackpass, Hipcamp, and SandboxVR[5][7][12]. Chen is a prolific author who has written nearly a thousand essays on user growth, metrics, and network effects, and he published the book *The Cold Start Problem* through HarperCollins, which popularized the concept of “growth hacking” for the wider tech audience[6][10]. His work has been cited by *Wired
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