Chima Ugochukwu Henry

Key Skills

Software

Appen

Top Subject Matter

No subject matter listed

Top Data Types

Text

Top Label Types

Emotion Recognition

Freelancer Overview

I am an AI Evaluation Analyst and Trainer with hands-on experience assessing and improving AI-generated content for accuracy, clarity, logic, and safety. I specialize in evaluating model outputs, comparing responses, flagging hallucinations and unsafe content, and refining prompts to enhance response quality and user alignment. My background in engineering and technical analysis has equipped me with strong analytical reasoning, attention to detail, and the ability to document results clearly and systematically. I am proficient with tools such as GitHub, Microsoft Azure, Salesforce, and AI dashboards, and have applied my skills in complex system evaluation projects. I am passionate about leveraging my expertise to ensure high-quality AI training data and contribute to the advancement of safe, reliable AI systems.

Labeling Experience

Text Emotion data labeling specialist

AppenTextEmotion Recognition

Worked on a large scale text data based project focused on emotion recognition for mechine learning model training. the task involved analyzing short and laarge text samples and accurately classifying emotional state such as happiness, sadness, anger, fear, neutrality and mixed emotions. followed strict annotation guidelines to ensure high data quality and consistency contributing to the development of more accurate NLP and sentiment analysis models

Worked on a large scale text data based project focused on emotion recognition for mechine learning model training. the task involved analyzing short and laarge text samples and accurately classifying emotional state such as happiness, sadness, anger, fear, neutrality and mixed emotions. followed strict annotation guidelines to ensure high data quality and consistency contributing to the development of more accurate NLP and sentiment analysis models

2024 - 2025

Education

Work History