Ethan Perez
Source-listed: Head of Alignment / Alignment Team Lead · Anthropic
Record snapshot: Sep 3, 2026. Coverage and affiliations may be incomplete or historical.
Selected work
5- Constitutional Classifiers: Defending against Universal Jailbreaks across Thousands of Hours of Red TeamingSaved credit: Contributor · 2025Explore people connected to this work →
- Constitutional AI: Harmlessness from AI FeedbackSaved credit: Contributor · 2022Explore people connected to this work →
- Retrieval-Augmented Generation for Knowledge-Intensive NLP TasksSaved credit: Contributor · 2020Explore people connected to this work →
- Red Teaming Language Models with Language ModelsSaved credit: Contributor · 2022Explore people connected to this work →
- Sleeper Agents: Training Deceptive LLMs that Persist Through Safety TrainingSaved credit: Contributor · 2024Explore people connected to this work →