Verified credential

Keith Williams is Mercor-certified

Certificate of Recognition
This certifies that
Keith Williams

has successfully completed the “Mastering Model Mechanics” course, demonstrating rigor, calibration, and clarity in AI agent evaluation.

Brendan Foody
CEO of Mercor
October 29, 2026
Date of completion
MRC-2026-SR6CS73X
Certification Number
work.mercor.com/learn/verify/MRC-2026-SR6CS73X
Verify Authenticity
Verify certificate MRC-2026-SR6CS73X