Celestina A.

Key Skills

Software

Don't disclose

Top Subject Matter

Business & Administrative

Writing/General Knowledge

Agriculture & Biology (review/fact-checking)

Top Data Types

Document

Text

Top Task Types

Data Collection

Object Detection

Question Answering

RLHF

Evaluation/Rating

Text Summarization

Freelancer Overview

Operations Manager / Office Administrator (AI training-style document review and QA); Domain Expert Reviewer. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose. Education includes Bachelor of Science, University of Calabar (2023) and Oracle AI Foundation Associate Certification, Oracle Corporation. AI-training focus includes data types such as Document and labeling workflows including Evaluation, Rating, and Data Collection.

Labeling Experience

Operations Manager / Office Administrator (AI training-style document review and QA); Domain Expert Reviewer

Don't discloseDocument

Reviewed and quality-checked administrative documents, contracts, and official communications to ensure accuracy and completeness. Performed research synthesis and produced structured summaries and briefing documents for management use. Supported multilingual and domain-focused content review aligned with AI training guidance. • Quality checking for accuracy, completeness, and compliance • Research synthesis and structured report/brief preparation • Domain/administrative content evaluation and fact-checking • Human feedback style review for response quality (RLHF)

2021 - Present

Scheduling & Coordination Executive (document review and structured summarization relevant to AI training data work)

Don't discloseDocumentData Collection

Coordinated multi-stakeholder scheduling while reviewing incoming documents for accuracy, completeness, and compliance. Supported data entry activities with consistent attention to detail. Produced structured summaries and reports derived from research and data sources. • Document review for correctness and completeness • Structured summarization from research/data • Accurate data entry with attention to detail • Compliance-oriented quality checks

2022 - 2024

Education

Work History