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Christian Schroeder de Witt

Professor, Associate Professor, Principal Investigator, EPSRC Open Fellow (incoming) · eng.ox.ac.uk · University of Oxford

Quick answer: Christian Schroeder de Witt is Professor, Associate Professor, Principal Investigator, EPSRC Open Fellow (incoming) at University of Oxford. Christian Schroeder de Witt shows an active PhD hiring signal as of 2026-09-11.

⭐ If you are interested in working with OWL, whether as PhD/DPhil student, visiting student, MSc/MEng, Part B/C student, please get in touch. Some example directions can be found here: https://wittlab.ai/student_projects/

Research interests

OWL’s mission is to de-risk the large-scale deployment of advanced AI by building trust through technical assurance. Technical assurance is the disciplined, auditable evidence that an AI system will behave within specified safety and security bounds - by design, under test, and in operation - even in adversarial and multi-agent settings. We work from first principles to practice: from the mathematical foundations of multi-agent security and undetectable threats to next-generation evaluations and real-world demonstrations in domains such as open-source intelligence, biology, and climate science. We are goal-driven and method-agnostic. Depending on the question, we draw on high-dimensional anomaly detection, game theory, RL/MARL, cryptography and steganography, and interpretability (theory and practice). We publish across leading AI, security, and interdisciplinary venues. Systemic Assurance Foundations OWL is pioneering the field of multi-agent security, addressing a critical gap in current AI safety and security by unifying perspectives from game theory, cryptography, and the complexity sciences into a coherent threat taxonomy. Our work on perfectly secure steganography, secret collusion, illusory attacks, and unelicitable backdoors, and other practically or theoretically undetectable threats establishes an information-theoretic basis for security-by-design in the AI age. Alongside architectural guarantees and secure-by-design approaches, we develop principled anomaly detection methods tailored to low-signal regimes and out-of-distribution dynamics relevant to deployed systems. Benchmarks and Evaluations Robust assurance needs evidence. OWL designs next-generation benchmarks, red-teaming playbooks, and evaluation protocols for multi-agent and mixed-autonomy settings. We periodically assess the utility of alternative detection and mitigation tools - including white-box methods informed by mechanistic interpretability, unlearning, model editing, jailbreak defences, AI debate, watermarking, and alignment techniques - explicitly measuring limits, failure modes, and deployment value. Capabilities and Real-World Applications Assurance cannot be separated from how capabilities related to assurance evolve. We build select, high-signal capabilities - for example in multi-agent reasoning and long-horizon reasoning, coordination, and verifiable code generation - to better characterise risk, to stress-test assurance tools, and to inform standards. We translate results into real-world applications and collaborations across government, industry, and civil society.

Frequently asked questions

Is Christian Schroeder de Witt hiring PhD students at University of Oxford?
Yes. As of 2026-09-11, Christian Schroeder de Witt's faculty page shows a PhD hiring signal: If you are interested in working with OWL, whether as PhD/DPhil student, visiting student, MSc/MEng, Part B/C student, please get in touch. Some example directions can be found here: https://wittlab.a.
What does Christian Schroeder de Witt research?
OWL’s mission is to de-risk the large-scale deployment of advanced AI by building trust through technical assurance. Technical assurance is the disciplined, auditable evidence that an AI system will behave within specified safety and security bounds - by design, under test, and in operation - even i

Data last updated: 2026-09-11 · Source: phd-match.com faculty database.

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