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I’m a detail-oriented AI data and LLM evaluation specialist based in Accra, Ghana, with hands-on experience annotating and evaluating both qualitative and quantitative data for machine learning and AI training. I review AI-generated outputs and structured information for accuracy, relevance, clarity, coherence, completeness, and strict adherence to task guidelines, using rubrics to ensure consistent, high-quality results. Beyond evaluation, I bring a strong research background in water supply and environmental sanitation, along with experience supervising research projects and assessing technical reports for methodological quality. I’m comfortable identifying errors, ambiguities, and unsupported claims, and I enjoy providing clear, evidence-based feedback. I’m also actively building my AI training and LLM evaluation skills through ongoing work and training programs, and I’m available for remote or hybrid roles.…I’m a detail-oriented AI data and LLM evaluation specialist based in Accra, Ghana, with hands-on experience annotating and evaluating both qualitative and quantitative data for machine learning and AI training. I review AI-generated outputs and structured information for accuracy, relevance, clarity, coherence, completeness, and strict adherence to task guidelines, using rubrics to ensure consistent, high-quality results. Beyond evaluation, I bring a strong research background in water supply and environmental sanitation, along with experience supervising research projects and assessing technical reports for methodological quality. I’m comfortable identifying errors, ambiguities, and unsupported claims, and I enjoy providing clear, evidence-based feedback. I’m also actively building my AI training and LLM evaluation skills through ongoing work and training programs, and I’m available for remote or hybrid roles.

Phillis Esi Mackin

AI Evaluator, AI Trainer, Data Annotator, +1

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I’m a detail-oriented AI data and LLM evaluation specialist based in Accra, Ghana, with hands-on experience annotating and evaluating both qualitative and quantitative data for machine learning and AI training. I review AI-generated outputs and structured information for accuracy, relevance, clarity, coherence, completeness, and strict adherence to task guidelines, using rubrics to ensure consistent, high-quality results. Beyond evaluation, I bring a strong research background in water supply and environmental sanitation, along with experience supervising research projects and assessing technical reports for methodological quality. I’m comfortable identifying errors, ambiguities, and unsupported claims, and I enjoy providing clear, evidence-based feedback. I’m also actively building my AI training and LLM evaluation skills through ongoing work and training programs, and I’m available for remote or hybrid roles.…I’m a detail-oriented AI data and LLM evaluation specialist based in Accra, Ghana, with hands-on experience annotating and evaluating both qualitative and quantitative data for machine learning and AI training. I review AI-generated outputs and structured information for accuracy, relevance, clarity, coherence, completeness, and strict adherence to task guidelines, using rubrics to ensure consistent, high-quality results. Beyond evaluation, I bring a strong research background in water supply and environmental sanitation, along with experience supervising research projects and assessing technical reports for methodological quality. I’m comfortable identifying errors, ambiguities, and unsupported claims, and I enjoy providing clear, evidence-based feedback. I’m also actively building my AI training and LLM evaluation skills through ongoing work and training programs, and I’m available for remote or hybrid roles.

Available to hire

I’m a detail-oriented AI data and LLM evaluation specialist based in Accra, Ghana, with hands-on experience annotating and evaluating both qualitative and quantitative data for machine learning and AI training. I review AI-generated outputs and structured information for accuracy, relevance, clarity, coherence, completeness, and strict adherence to task guidelines, using rubrics to ensure consistent, high-quality results.

Beyond evaluation, I bring a strong research background in water supply and environmental sanitation, along with experience supervising research projects and assessing technical reports for methodological quality. I’m comfortable identifying errors, ambiguities, and unsupported claims, and I enjoy providing clear, evidence-based feedback. I’m also actively building my AI training and LLM evaluation skills through ongoing work and training programs, and I’m available for remote or hybrid roles.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

French

Beginner

Akan

Fluent

Work Experience

Research Intern (Water Quality Laboratory) at CSIR – WRI, Ghana

January 1, 2025 - March 1, 2025

Conducted physiochemical and microbiological analysis using established laboratory protocols. Generated, processed, and analyzed datasets to identify contamination patterns and assess compliance with relevant standards. Applied statistical and quality-control procedures to validate analytical results.

Graduate Assistant (Evaluator) at Kwame Nkrumah University of Science and Technology

January 1, 2025 - December 1, 2025

Evaluated undergraduate assignments, laboratory work, and reports against academic and technical requirements. Reviewed written work for accuracy, clarity, completeness, and instruction adherence; provided structured feedback to improve student work; supported research documentation, data collection, analysis, and technical report preparation.

Research Intern (Masterplan Project) at Kwame Nkrumah University of Science and Technology

September 1, 2024 - December 1, 2024

Conducted quantitative research and spatial analysis for sustainable water, sanitation, and drainage infrastructure planning. Evaluated environmental risks, infrastructure performance, and potential public health outcomes.

AI Training and LLM Evaluation (Masterclass Participant / Trainee) at Wealth Beyond Borders Academy

January 1, 2024 - May 1, 2026

Developed foundational knowledge of AI training, large language models, and human-in-the-loop LLM evaluation. Applied principles of data annotation, data quality assessment, and guideline-based labeling to support improvement of AI systems; strengthened critical thinking, attention to detail, and objective decision-making while reviewing AI-generated content.

Virtual Assistant at Uber

June 1, 2023 - December 1, 2025

Managed live-chat systems and responded to customer or merchant inquiries. Maintained Google Sheets and internal databases with accurate store performance data, pricing, and menus. Labeled and tagged images, maps, and videos to help machine learning models recognize physical objects; reviewed machine-translated content to ensure it matched regional dialects, cultural context, and natural language flow.

Research, Impact & Evaluation Officer at upReach

May 1, 2022 - May 1, 2023

Conducted research and collected, cleaned, and analyzed program data. Designed and supported program evaluations to measure outcomes and impact. Developed reports, dashboards, and presentations to communicate findings; monitored program performance using KPIs, trends, and participant outcomes.

Research Supervisor at Circular Consult Limited

September 1, 2021 - Present

Led and supervised multidisciplinary research projects across environmental, industrial, and agricultural topics. Designed research frameworks; coordinated research activities including data collection, analysis, documentation, and delivery. Reviewed research outputs for accuracy, methodological quality, consistency, and completeness; translated findings into clear, evidence-based conclusions; provided constructive feedback to junior researchers.

Freelance Annotator & AI Data Specialist at Atlas capture, Alignerr & Scale AI

March 1, 2021 - Present

Complete structured AI data annotation, evaluation, and training tasks requiring accuracy, consistency, and attention to detail. Evaluate and classify qualitative and quantitative information to support AI and machine learning system training and evaluation. Review AI-generated written content and presentations for clarity, relevance, coherence, organization, completeness, and adherence to specified criteria; identify errors, inconsistencies, ambiguities, and unsupported claims.

Safety & Environmental Officer at Ghana Airports Company Limited

October 1, 2020 - August 1, 2021

Conducted routine inspections to evaluate environmental and operational compliance. Collected, entered, processed, and analyzed safety and environmental data; maintained accurate documentation and records to support audits and regulatory requirements.