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Marissa Posner
@ThewizardofPOS
⭐️ Interop / Account Abstraction @ethereum | 📍NYC/TLV | Created the first Base appchain @GoldChainDev 📊 ML Engineer | 🇮🇱🇺🇸 Fencer 🤺
New York
Joined March 2011
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    Marissa Posner
    @ThewizardofPOS
    Jan 3, 2025
    New year new role 🚨 I’ve joined @ethereum as part of the Account & Chain Abstraction Team! This new chapter is deeply connected to a goal I’ve held: to positively impact 1 billion people in my lifetime. To me, Ethereum is the perfect place to make that happen.
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    Marissa Posner
    @ThewizardofPOS
    Aug 5
    The funniest thing is being in meetings and people not remembering something because their agent did it for them. Is 2026 the year agents start attending meetings with us?
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    Marissa Posner
    @ThewizardofPOS
    Jun 9
    Being a girl at an AI dev meetup is so funny because you’ll ask someone what they’re building and they’ll respond with: "Do you know what an IDE is?" Like no, I wandered in here looking for Pilates...