Prolific operates a platform that connects researchers, AI developers, and organizations with a vetted pool of participants to collect high-quality, ethically sourced human data for AI training, behavioral research, and user studies. It serves over 35,000 customers, including leading AI labs and universities, enabling reliable data collection at scale. The company positions itself as a key provider of human data infrastructure essential for advancing AI development.

Products & services

Prolific Platform A research and human-data collection platform that connects organizations with verified participants for surveys, experiments, evaluations, annotations, and other online studies.
Prolific for AI A human-data infrastructure service for evaluating, training, and aligning AI systems using human feedback, preference data, safety reviews, and specialist annotations.
Human Data API An API for programmatically recruiting participants, launching studies, collecting human feedback, and integrating Prolific data workflows into research or AI pipelines.
Prolific Managed Services An end-to-end research and data-collection service covering participant sourcing, study execution, quality assurance, and delivery of verified results.
Domain Experts A specialist participant service providing access to professionals and credentialed individuals for expert review, annotation, evaluation, and research tasks.
Audience Finder A participant discovery and sampling tool that helps researchers estimate audience availability and select respondents using demographic, professional, behavioral, and study-history filters.

Leadership

Phelim Bradley CEO
Ekaterina Damer Co-Founder
Jacob Kidney Revenue Operations Systems Manager
Bradley Fehler Head of growth marketing
Jim Moodie Founder

Seniority mix

Entry & junior 9%
Mid-level 18%
Senior 55%
Lead & principal 0%
Manager & above 18%

Based on 11 open roles

Where they hire

New York, NY 5 roles
London, United Kingdom 2 roles

Remote: 82%

Based on 7 roles with a listed city

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