Christina S.
Senior AI Content Evaluator, Video Content Annotator, and Transcriber
Experience
Senior AI Content Evaluator, Video Content Annotator, and Transcriber
Appen
- Specialized in reviewing and annotating social media videos like YouTube content, Instagram Reels, and Facebook Shorts; how-to videos; documentaries; and smart glasses footage to create comprehensive question-answer pairs for AI model training and evaluation.
- Developed 10,000+ question-answer pairs from diverse media formats including written works, artistic images, short-form and long-form video content, ensuring comprehensive assessment across multiple dimensions of model output.
- Maintained high accuracy in data labeling processes across 50+ projects, ensuring high-quality evaluations that meet strict client specifications and industry standards.
- Evaluated Cohere, LLAMA, and Claude language models for natural language processing and computer vision applications.
- Provided feedback on social media content to improve search engine algorithms and user experiences.
- Transcribed audio and video content with high accuracy and meticulous attention to detail.
- Evaluated and rated language learning materials for quality and effectiveness.
- Implemented Likert scales, A/B testing, side-by-comparisons, best-worst scaling, direct assessment, "trick the bot" techniques, and question-answer pair creation.
- Implemented bias detection protocols and ensured model fairness across diverse content types.
- Created cybersecurity tabletops and micro-tabletops for training and assessment purposes.
Standardized Testing Rater
Educational Testing Services
- Evaluated materials related to various standardized tests for the states of California and Texas designed to gauge ESOL students' grasp of the English language.
- Rated student responses using detailed rubrics and guidance from leadership.
- Applied rigorous attention to detail and consistency in evaluation processes.
Summary
Experienced AI Content Evaluator and certified Educator with 5+ years specializing in multi-modal data annotation, video content analysis, and machine learning model evaluation.
Expert in creating question-answer pairs from diverse media formats including social media videos, documentaries, and smart glasses footage.
Currently serving as Independent Contractor for leading AI companies, with proven expertise in prompt engineering, RLHF (Reinforced Learning from Human Feedback), and implementing quality assurance protocols for generative AI systems.
Combines educational background with technical AI skills to deliver high-quality data labeling and model evaluation services.
Languages
Education
Furman University
Master of Arts · Education · United States
UofSC
Bachelor of Arts, Minor in US History · English and Linguistics · United States
Certifications & licenses
Prompt Engineering Certification
Vanderbilt University
Generative AI Cybersecurity & Privacy Specialization
Vanderbilt University
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