I am Nathaniel Tesfay, an AI data annotation and LLM training specialist who thrives at the intersection of technology and collaboration. I help teams improve AI models by curating high-quality datasets across audio, image, text, video, and polygonal formats, and I provide AI integration consulting for small businesses and educational services to boost foundational AI literacy. My background spans customer-facing and outreach roles with leadership experience, where I documented client cases with precision and built strong, empathetic communication. I value active listening, problem-solving, and practical collaboration, and I’m eager to bring these strengths to a forward-thinking team.

Nathaniel Tesfay

I am Nathaniel Tesfay, an AI data annotation and LLM training specialist who thrives at the intersection of technology and collaboration. I help teams improve AI models by curating high-quality datasets across audio, image, text, video, and polygonal formats, and I provide AI integration consulting for small businesses and educational services to boost foundational AI literacy. My background spans customer-facing and outreach roles with leadership experience, where I documented client cases with precision and built strong, empathetic communication. I value active listening, problem-solving, and practical collaboration, and I’m eager to bring these strengths to a forward-thinking team.

Available to hire

I am Nathaniel Tesfay, an AI data annotation and LLM training specialist who thrives at the intersection of technology and collaboration. I help teams improve AI models by curating high-quality datasets across audio, image, text, video, and polygonal formats, and I provide AI integration consulting for small businesses and educational services to boost foundational AI literacy.
My background spans customer-facing and outreach roles with leadership experience, where I documented client cases with precision and built strong, empathetic communication. I value active listening, problem-solving, and practical collaboration, and I’m eager to bring these strengths to a forward-thinking team.

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Language

English
Fluent

Work Experience

Independent Specialist at Freelancer
August 1, 2025 - November 6, 2025
Specializing in AI data training across various types of datasets for improving LLMs and AI systems; Provide AI integration consulting for small businesses and educational services geared toward foundational AI literacy.
English Language Data Annotator at DataForce by TransPerfect
September 1, 2025 - September 1, 2025
Assessed and categorized over 20,000 audio samples by emotion, intention, quality and correctness; improving AI chatbot data quality in audio samples by identifying and resolving language issues
AI Data Annotation and LLM Training Specialist at Freelancer / Self-Employed
April 1, 2025 - Present
Specializes in AI data training across audio, image, text, video, and polygonal datasets to improve LLMs and AI models. Provides AI integration consulting for small businesses and educational services to build foundational AI literacy.
Shift Lead at High Tide Inc
January 1, 2024 - April 1, 2025
Exceeded weekly sales targets by an average of 20% and trained new team members in store management, industry standards and customer service delivery.
Outreach Worker at Calgary Alpha House Society
September 1, 2020 - January 1, 2023
Documented over 100 client cases monthly with precision; engaged in outreach efforts to over 200 local businesses, requiring active listening and clear communication.

Education

Bachelor of Arts at University of Toronto
September 1, 2011 - May 1, 2017

Qualifications

Introduction to AI & ML / Introduction to Python
January 1, 2025 - January 7, 2026
Brain Story Certification
January 1, 2023 - January 7, 2026
Brain Story Certification
January 1, 2023 - January 16, 2026
Homeless Management Information System Training
January 1, 2022 - January 16, 2026
Introduction to AI & ML / Introduction to Python
January 1, 2025 - May 1, 2026
Brain Story Certification
January 1, 2023 - May 1, 2026
Homeless Management Information System Training
January 1, 2022 - May 1, 2026
Bachelor of Arts
January 11, 2030 - January 1, 2017

Industry Experience

Non-Profit Organization, Professional Services, Retail, Education, Software & Internet, Media & Entertainment