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dennis kinyanjui

@denniskinyanjui1

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AI data specialist at EchoLabs & Silencio reviewing audio, video, and text annotations.

Kenya

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At EchoLabs & Silencio, I reviewed AI annotations across audio, video, and text datasets to support model training. I validated transcriptions, tagged audio, and compared outputs against project guidelines.

At GrapeData & Respondent.io, I evaluated and annotated AI training data, checking content for inconsistencies and supporting data reliability. Earlier, I produced and analyzed digital media content at KU Tv.

Experience

Work history, roles, and key accomplishments

AI Data Specialist & Media Annotator

EchoLabs & Silencio

Jan 2025 - Jan 2026 (1 year)

Reviewed AI annotations across audio, video, and text datasets to support AI model training. Performed transcription validation, audio tagging, and comparisons with minimal quality errors.

Audio review Transcription QA Quality Assurance Data Annotation AI Output Evaluation

Remote Data Analyst & Media Evaluator

GrapeData & Respondent.io

Jan 2021 - Jan 2026 (5 years)

Evaluated and annotated data used for AI training and preference. Conducted quality checks and content assessments across large datasets by applying analytical judgment to identify inconsistencies.

Data Annotation Quality Checks Content Assessment Analytical judgment