Market landscapes / Training Data / Expert Data & RL Environments for Frontier Labs
Protege
Real-world data and expertise for AI model development. Protege supplies curated datasets across pre-training, post-training and evaluation stages, whilst connecting data holders with AI builders across industries.
Expert Data & RL Environments for Frontier Labs51-200 peoplewithprotege.ai ↗
Updated 9 November 2026
Hiring now
From Protege's own jobs board, checked every week.
Hiring is mostly commercial. 10 of its 17 open roles are in sales, solutions and marketing.
It has 17 open roles, up from 11 in mid-July.
Where the roles are
Against its sector
17 of the 67 active companies in Expert Data & RL Environments for Frontier Labs are advertising roles. Mercor has the most, with 109.
Who Protege competes with
The other active companies we file under Expert Data & RL Environments for Frontier Labs, sorted by how much they are hiring.
Where this fits
Expert-generated data and reinforcement learning environments, sold almost entirely to the frontier labs. It exists because the labs decided data produced by specialists was worth more than more volume scraped from the open internet.
We track hiring and team changes across all 174 companies in Training Data.
Our talent report for this sector shows how Protege's team compares with its competitors.
What is in it:
- Every company's team size, side by side, grouped by sub-sector
- Who grew their team over the last year, and by how much
- Who is losing people: attrition for each company, against the sector average
- Who is hiring right now, and how many open roles each has
I am Ben Jackson. I map this market, and I hire the commercial teams inside it: sales, marketing, product and delivery.
If you are building a team at a company like Protege, want to work at one, or think Protege is filed in the wrong place, put 20 minutes in my diary.
Book 20 minutes with Ben →