Juan Felipe Cerón UribeAI Alignment Research Engineer · OpenAIResearcher↗
Researcher
OpenAIMember of Technical Staff
Wallace exposed language-model weaknesses through universal adversarial triggers—short phrases that derail responses.[1] He co-developed instruction hierarchy, teaching AI to prioritize trusted instructions over malicious inputs.[2] His safety, privacy and alignment work has contributed to GPT-5, deep research and ChatGPT’s agent mode.[3]
OpenAI2023-present
Google DeepMind2023-2023
Meta2021-2021Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
First author; short input-independent phrases expose systematic vulnerabilities.
Equal first author; training models to respect differing trust levels to resist malicious instructions.
Current personal site explicitly describes research on safety, robustness, privacy and alignment and contributions to named core models/products.
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Reviewed August 8, 2026 · Checked for accuracy and new information.