Mercor is organizing human intelligence to power the AI economy. We are powering frontier research, AI benchmarks, and AI agent training at scale for the top AI labs and enterprises. Backed by General Catalyst and Menlo.
About the role
Propose and scope a new benchmark evaluation technique, or economic study in an area not covered well by existing work
What they're looking for
- Genuine interest in evaluation as a research discipline — not just a stepping stone to a model-building role
- Background in economics, CS, ML, statistics, or an adjacent field (measurement, psychometrics, HCI, social science)
- A specific, well-scoped idea for a benchmark, eval technique, or empirical study you want to build — the fellowship is built around your pitch
- Comfortable in a startup environment: fast iteration, direct access to real customer problems, less hand-holding than an academic lab
- Able to commit at least 30 hours/week for the duration of the fellowship — during a leave, over a summer, or a flexible stretch of a PhD
- Bonus: experience with agentic evaluation, RL environments, or domain expertise in law, finance, medicine, or a scientific field
More about this role
Mercor's mission is to organize human intelligence to power the AI economy. We're a leading AI data company, building the layer between human expertise and frontier models. Millions of domain experts on the platform are paid over $4 million per day to train frontier AI models. Mercor's APEX benchmark family measures AI's real-world impact on professional work. Mercor Enterprise brings this same infrastructure to Fortune 500 companies: helping companies capture how their best people actually work, translating that expertise directly back into agents.
Mercor is creating a new category of work where expertise powers AI advancement. Achieving this requires an ambitious, fast-paced and deeply committed team. You’ll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society. Mercor is a profitable Series C company valued at $10 billion. We work in-person five days a week in our San Francisco, NYC, or London offices.
Mercor’s APEX benchmark family measures whether frontier AI models can actually do economically valuable work: multi-hour agentic tasks in investment banking and corporate law, real professional accounting...
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