Researcher

Liane Lovitt

Liane Lovitt is a public policy manager at Anthropic and an industry representative at Yale's Governing (with) AI conference. She co-authored papers on training helpful and harmless assistants, on models that judge their own answers, and on Constitutional AI. In October 2023 she jointly led Collective Constitutional AI, a study whose public input process involved about 1,000 Americans in drafting a constitution for an AI system. In 2024 she co-wrote a blog post on measuring the persuasiveness of language models and co-authored Clio, a platform for studying real-world AI use.

Now at
Anthropic
Works
14
Citations
1,734
h-index
12

Publication numbers from OpenAlex, as of 15 October 2026.

Timeline

  1. April 2022

    Helpful and harmless assistants

    She co-authors Training a Helpful and Harmless Assistant with Reinforcement Learning from Human Feedback in 2022, a paper that applies preference modeling and reinforcement learning from human feedback to finetune language models.

  2. July 2022

    Models that judge their own answers

    She co-authors Language Models (Mostly) Know What They Know, a 2022 study of whether models can evaluate their own claims and predict which questions they will answer correctly.

  3. December 2022

    Constitutional AI for harmlessness

    In 2022 she co-authors Constitutional AI: Harmlessness from AI Feedback, a method that trains a harmless assistant through self-improvement guided by a list of rules or principles.

  4. October 2023

    A constitution from public input

    She jointly leads Collective Constitutional AI with Deep Ganguli, Saffron Huang and Divya Siddarth in 2023. Its public input process involved about 1,000 Americans in drafting a constitution for an AI system.

  5. April 2024

    Measuring model persuasiveness

    Measuring the Persuasiveness of Language Models, an Anthropic blog post from 2024, is co-written by her and Esin Durmus.

  6. December 2024

    Clio, a usage-insights platform

    In 2024 she co-authors Clio: Privacy-Preserving Insights into Real-World AI Use, a platform that uses AI assistants to analyze aggregated usage patterns across millions of conversations.

  7. As of October 2026

    Public policy at Anthropic

    She is a public policy manager at Anthropic and an industry representative at Yale's Governing (with) AI conference.

Sources and credits

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  1. [2204.05862] Training a Helpful and Harmless Assistant with Reinforcement Learning from Human Feedback arxiv.org. Checked 15 October 2026.
  2. [2207.05221] Language Models (Mostly) Know What They Know arxiv.org. Checked 15 October 2026.
  3. [2212.08073] Constitutional AI: Harmlessness from AI Feedback arxiv.org. Checked 15 October 2026.
  4. Collective Constitutional AI: Aligning a language model with public input anthropic.com. Checked 15 October 2026.
  5. Measuring the persuasiveness of language models anthropic.com. Checked 15 October 2026.
  6. [2412.13678] Clio: Privacy-Preserving Insights into Real-World AI Use arxiv.org. Checked 15 October 2026.
  7. Participant List – ISPS Governing X Series campuspress.yale.edu. Checked 15 October 2026.