All researchers
Researcher
Dr. Marta Oliveira
Marta leads the safety programme at Apex — refusal corpus engineering, capability-gate design, the red-team partnership with our external safety partner. Her work decides what Aether will and won't do, and how that decision is enforced at the tool-policy layer. Before Apex, she led safety work at a frontier lab.
Recent
Recent papers and notes.
A slice of what Marta has been writing. External papers link to the research log; internal notes link where we can.
- 01Engineered refusals in tool-using foundation models (Apex, 2026)
- 02External safety red-team report (Apex + partner, 2025)
- 03Refusal corpora at the autonomous-lab layer (Apex internal, 2026)
The open problem
“How do we red-team a refusal corpus without leaking the refusal corpus?”
Interests
- · Tool-policy refusal engineering
- · Red-team partnership design
- · Biosecurity-adjacent capability gating
If you work on this — or have a strong view — write to research@apexworldlabs.com. We respond to every researcher inbound.
Work on a problem on this page.
Apex hires small numbers of unusually senior people. If you've worked on the problem the researcher above is open on — write to careers@apexworldlabs.com with a one-page brief.