Erastus Ogot
@erastusogot
AI data annotation and model evaluation specialist focused on high-precision labeling and alignment.
What I'm looking for
I am an AI data annotation and model evaluation specialist with five years supporting large image and language models through high-precision labeling and response evaluation.
I have extensive experience in NLP-focused tasks, instruction-following evaluation, and alignment-oriented data workflows for generative AI systems, contributing to both supervised and RLHF-style workflows.
My work includes annotating and reviewing large-scale text datasets, evaluating AI outputs for accuracy, coherence, safety, and policy adherence, and performing response ranking, preference labeling, and error categorization.
I bring strong analytical reading and judgment skills, careful interpretation of annotation guidelines, and the ability to work with sensitive, policy-governed data while maintaining consistent, high-quality results across high-volume tasks.
Experience
Work history, roles, and key accomplishments
AI Data Annotation Specialist
Oneforma
Jan 2019 - Present (7 years)
Provided high-precision annotation and evaluation for large text and image datasets, improving label consistency and supporting RLHF-style workflows over a 5+ year engagement. Evaluated model outputs for accuracy, safety, and instruction-following, and contributed guideline feedback to reduce annotation errors.
Education
Degrees, certifications, and relevant coursework
Erastus hasn't added their education
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Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
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