Winnie Maina

Winnie Maina

Project Manager, AI Specialist, Tutor, Researcher, and Data Annotator
Kenya
English, French, Swahili
Freelance Remote

About Me

Results-driven Project Manager and Data Operations Specialist with extensive experience in Projects, Research, English Tutoring, AI Training, and Data annotation. Proven ability to coordinate distributed teams, manage co…

Experience

Project Manager & Data Annotation Specialist

Freelance Platforms · Nakuru , Nakuru , Kenya
Jan 2025 - May 2026 · 1 year 3 months

<p>Supervised projects and team efforts and successfully delivered 20+ projects on schedule and in alignment with client requirements.</p><p> Spearheaded image labelling and annotation quality control tasks across Appen and Fiverr achieving a rating of 100%.</p><p> Directed AI training, data annotation, classification and bounding box projects utilizing distributed teams.</p><p> Oversaw annotation workflows for datasets comprising more than 10,000 records, thereby enhancing overall data quality.</p><p> Assessed and refined Large Language Models (LLM) outputs ensuring 100% accuracy.</p>

Monitoring & Evaluation/ Research Officer

Busara Center · Nairobi , Nairobi , Kenya
Jan 2024 - Dec 2025 · 1 year 10 months

<p>Headed research implementation across departments.</p><p> Facilitated the implementation of monitoring and evaluation frameworks across multi-county research initiatives.</p><p> Coordinated field operation teams and guaranteed strict adherence to research protocols.</p><p> Performed comprehensive data cleaning, validation, and achieved 100% quality assurance that strengthened reporting accuracy and reliability.</p><p> Developed reports and stakeholder presentations to effectively communicate research findings and program performance metrics.</p>

Academic Research Writer & Team Coordinator

Exprofessor Writings · Nakuru , Nakuru , Kenya
Jan 2022 - Dec 2024 · 2 years 10 months

<p>Wrote and reviewed over 500 reports, PowerPoint presentations, case studies and research projects.</p><p> Supervised and trained a team in delivering research projects, writing research projects, AI training, business writing, and reduced handling time by 60%.</p><p> Managed task allocation, conducted performance evaluations, checked research project completion and deadlines ensuring high team productivity.</p>

Project Management Intern

Nandi County Government · Nandi , Nandi , Kenya
Sep 2021 - Dec 2021 · 2 months

<p>Supported planning, monitoring, and evaluation of public sector development projects.</p><p> Collected and analyzed field data achieving high project performance and compliance.</p><p> Prepared technical reports without delays and project documentation for decision-making.</p>

PROJECTS

AI Data Annotation and Quality Control Project

Fiverr
Duration : 05-Jan-2025 - 29-May-2026

<p>Managed data annotation and quality control workflows involving over 10,000 records and distributed teams. I was responsible for project planning, task allocation, deadline tracking, and reviewing completed work against client requirements. Coordinated team activities, resolved workflow issues, and maintained quality standards to ensure timely delivery. Successfully contributed to the completion of 20+ freelance projects.</p>

Certifications

AI Data Trainer Mastery Certificate

AIDRA Lab · Nairobi , Nairobi , Kenya · 2026

Skills

Project Management English Language Proficiency Tutoring Excellent Communication Monitoring and Evaluation Data Analysis PowerPoint Microsoft Word Microsoft Excel Research Image Labelling Data Annotation LLM Evaluation AI Model Training People Management CRM Systems Strong Analytical Skills Attention to Details Flexibility Problem-Solving Skills JavaScript Research Project Writing
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