Yalmar Vyke

Hjalmar Wijk is Chief Scientist at METR (Model Evaluation and Threat Research), where he has worked since January 2023. He is known for developing the Responsible Scaling Policy framework, defining the autonomous replication threat model, and leading AI R&D assessments including RE-bench. He was one of two METR staff members who investigated the August 2026 OpenAI and Hugging Face hacking incident.