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O
Ozafa M.

Ozafa M.

AI Benchmark Evaluator and Reviewer

Canada flagBurnaby, Canada

Key Skills

Software

Don't disclose
Other

Top Subject Matter

AI benchmark evaluation across consumer electronics
AV peripherals
Film/entertainment Domain Expertise

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

Bounding BoxBounding Box
TranscriptionTranscription
Data CollectionData Collection

Freelancer Overview

AI Benchmark Evaluator and Reviewer. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose and Other. Education includes Bachelor of Science, Simon Fraser University (2026). AI-training focus includes data types such as Text, Image, and Document and labeling workflows including Evaluation, Rating, and Bounding Box.

Labeling Experience

AI Benchmark Evaluator and Reviewer

Don't discloseTextText

Evaluated and reviewed structured AI benchmark items by assessing model reasoning, factual accuracy, instruction-following, and edge-case handling. Applied rubric-based scoring and consistency checks to identify ambiguous answers, missing correct options, and cases where multiple choices were simultaneously defensible. Conducted multi-LLM adjudication by distinguishing hallucinations from genuine factual ambiguity using independent source verification. • Produced 300+ benchmark items and completed 1,000+ structured AI output evaluations. • Corrected and re-authored evaluation rubrics to be clearer, more atomic, and self-contained. • Detected errors missed by question authors through strict rubric application. • Adjudicated conflicting outputs across large language models with verified evidence.

2025 - Present

IT Services Technician / AV Technician

OtherData CollectionData Collection

Provided IT and AV support and enabled consistent service delivery for multiple university departments and technicians. Conducted hands-on training workshops that supported operational use of AV/IT systems and workflow processes for students. While the role was primarily technical support, it included training activities supporting downstream data collection and service operations. • Supported IT/AV operations for 10 faculty departments. • Trained student technicians through hands-on TeamDynamix workshops. • Improved onboarding time and ensured consistent service delivery quality. • Acted as an AV/IT support point that supported operational workflows.

2022 - Present

AI Data Annotator and Evaluator

Don't discloseImageImageBounding BoxBounding Box

Annotated visual elements with bounding boxes across image and video content while evaluating multimodal AI-generated outputs for correctness and safety. Performed structured labeling tasks including safety and bias classification and intent detection under strict guideline requirements. Tagged and reviewed multimodal outputs for relevance, clarity, instruction adherence, and metadata consistency. • Labeled bounding boxes across image and video modalities. • Evaluated outputs across text, audio, and video for quality dimensions including safety. • Completed safety/bias classification, intent detection, brand and text extraction, and metadata tagging. • Maintained high consistency with strict annotation guidelines.

2025 - 2026

AI Model Evaluator

Don't discloseDocumentDocumentTranscriptionTranscription

Performed frame-accurate OCR annotation on short-form video by transcribing all on-screen text with millisecond-precise timestamps. Conducted systematic multi-pass QA using guideline-based tags to produce clean, training-ready transcription data. Also produced audio-transcription corrections by reconciling raw ASR outputs against source audio to meet training guidelines. • Transcribed on-screen text with millisecond-precise timestamps using OCR guidelines. • Applied guideline-based tags and ran multi-pass quality assurance. • Corrected audio transcripts by adjusting punctuation, capitalization, colloquial speech, and timing. • Produced guideline-compliant transcription data for model training.

2025 - 2025

Education

S

Simon Fraser University

Bachelor of Science, Computer Science

Bachelor of Science
2022 - 2026

Work History

S

SFU IT Services

IT Services Technician / AV Technician

Burnaby
2022 - Present
M

Mindrift

Data Analyst, AI Model Evaluation

Remote
2025 - 2025