investment-partner
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Stephenie Zhang
Stephenie Zhang is a partner on the Growth investing team at Andreessen Horowitz (a16z), the storied Silicon Valley venture firm behind Airbnb, Coinbase, and GitHub. A Phi Beta Kappa computer science graduate from MIT who grew up in Palo Alto, she joined a16z from Warburg Pincus, where she honed her instincts on growth and late-stage technology deals. At a16z, she backs enterprise technology companies at the growth stage, with investments spanning workflow orchestration (Temporal), AI-native presentations (Gamma), and internal developer tools. She also co-authored a16z's 'Big Ideas 2026' thesis on the agentic interface - the idea that software design is shifting from visual, human-first hierarchies to machine-legible structures built for AI agents.
Will Bitsky
Will Bitsky is an Investment Partner at Andreessen Horowitz (a16z) on the American Dynamism team, focused on investing in companies that support the national interest - spanning aerospace, defense, energy, public safety, education, housing, supply chain, and manufacturing. Before a16z, he was an investor at FirstMark Capital where he backed enterprise, fintech, and consumer internet companies at seed and Series A stages. He got his start in TMT investment banking at Goldman Sachs and holds a B.A. from Cornell University. His current investment thesis centers on a conviction that data - not compute - determines who wins in the physical AI era.
Emily Bennett
Emily Bennett is an Investment Partner at Andreessen Horowitz, where she leads investing for a16z speedrun - the firm's high-velocity startup accelerator that has deployed over $180M to 150+ startups since 2023. A neuroscience graduate of Middlebury College (magna cum laude) turned Harvard MBA, she carved a winding path through product roles at Spotify, The New York Times, and Facebook before pivoting fully into venture at Owl Ventures, where she rose to Partner with a focus on edtech. At a16z, her investment thesis centers on AI-native tools that allow single founders to operate what once required entire teams, and she is a vocal advocate for the first AI-native university - an institution where learning paths, schedules, and research adapt in real time through continuous data feedback loops.