People I'd work with anywhere

  1. Mechanistic interpretability lead at Google DeepMind

    1. Google DeepMind

      Mechanistic Interpretability Lead

      Present

    one of the founders of mechinterp. beautiful papers.

    Sarah Constantin
  2. Co-founder and Chief Scientist at Thinking Machines

    1. Thinking Machines

      Co-founder and Chief Scientist

      2025-02 – Present

    2. Anthropic

      Alignment Science

      2024-08 – 2025-02

    3. OpenAI

      Co-founder and Research Scientist

      2015 – 2024-08

    playful lateral thinker

    Sarah Constantin
  3. Biosecurity & Biotechnology

    1. Institute for Progress

      Biotechnology Fellow

      2026-05 – Present

    2. BlueDot Impact

      Talent Investor, Biosecurity (contract)

      2026-05 – Present

    3. Independent

      Biosecurity and Biodefense Consultant

      2025-05 – 2026-05

    generous & accomplished

    Sarah Constantin
  4. Executive Director of the Alignment Research Center

    1. OpenAI

      Board Member, OpenAI Foundation

      2026-09 – Present

    more than anybody else, defined & predicted the world we're now living in.

    Sarah Constantin
  1. Researcher at Arb Research

    1. Arb Research

      Researcher

      Present

    easy to communicate with. highly independent critical thinking. great at noticing when prominent research is based on faulty assumptions.

    Sarah Constantin
  2. Head of Strategic Investments at Astera Institute; angel investor

    1. Astera Institute

      Head of Strategic Investments

      Present

    2. Abundance Institute

      Fellow

      Present

    3. Mercatus Center at George Mason University

      Research and Program Leadership

      2012 – 2017

    good taste in R&D, cares about innovation, insightful about regulatory policy

    Sarah Constantin
  3. General Counsel and Senior Fellow at FAI

    1. Foundation for American Innovation

      General Counsel and Senior Fellow

      Present

    hyperproductive, playful, inspiring

    Sarah Constantin
  1. Co-founder and Interpretability Research Lead at Anthropic

    1. Anthropic

      Co-founder and Interpretability Research Lead

      2021 – Present

    2. OpenAI

      Interpretability researcher

      2018-10 – 2020

    3. Google Brain

      Research Scientist

      2016-10 – 2018

    kind, brilliant, one of the founders of mechinterp

    Sarah Constantin
  2. Co-founder and CTO of Clubhouse

    1. Clubhouse

      Co-founder

      2020 – Present

    pleasant to work with on rare disease stuff

    Sarah Constantin
  3. Head of the Frontier Red Team at Anthropic

    does incredibly important work

    Sarah Constantin
  1. Founding editor of Asimov

    1. Renaissance Philanthropy

      Fellow

      Present

    deeply reflective science writer & theorist

    Sarah Constantin
  2. Writer and strategic advisor at Stripe

    1. Stripe

      Advisor

      2022-12 – Present

    2. Complex Systems

      Host

      Present

    hypercompetent, kind, informs people about important things

    Sarah Constantin
  3. Writer and lead of the Clinical Trial Abundance Initiative

    she made clinical trial reform a thing. incredible gumption.

    Sarah Constantin
  1. Co-founder and CEO of Nudge; co-founder and senior advisor at Paradigm

    1. Nudge

      Co-founder and Chief Executive Officer

      2024-01 – Present

    2. Paradigm

      Co-founder and Senior Advisor

      2018 – Present

    3. Coinbase

      Co-founder and director; former President

      2012 – Present

    open-minded and ambitious. wants to do the thing.

    Sarah Constantin
  2. Co-founder and CEO of BioAge Labs

    1. BioAge Labs

      Co-Founder, President and CEO

      2015 – Present

    2. Stanford

      Operations

      Present

    real-deal aging biotech founder, one of the first.

    Sarah Constantin