Dennis M.
Content Editor
Experience
Jan 2023 - Dec 2023
1 yearContent Editor
Nation Media Group
- Edited articles for online and print platforms, ensuring consistency in tone and grammar
- Reviewed and structured content submitted by junior writers and freelancers
- Participated in pilot testing AI proofreading tools
- Provided actionable feedback to the editorial team to enhance content clarity
- Streamlined editorial workflows using CMS systems
- Trained interns on editorial best practices
Jan 2022 - Dec 2024
3 yearsAI Content Evaluator
Appen Global Projects
- Assessed AI-generated texts for relevance, coherence, and factual accuracy
- Annotated large volumes of content to train natural language models
- Worked with machine learning engineers to calibrate editorial quality thresholds
- Evaluated summaries, chat responses, and translations for fluency and context
- Maintained high accuracy under tight deadlines
- Participated in refining project-specific guidelines
Jan 2021 - Dec 2022
2 yearsTechnical Proofreader
Andela Learning Community
- Reviewed software documentation and e-learning modules for grammar and readability
- Enhanced learning material structure for better user comprehension
- Collaborated with tech instructors to develop glossary and style guides
- Ensured consistency across multiple technical manuals
- Used Markdown, LaTeX, and Google Docs to manage editing tasks
- Trained junior freelancers on technical editing standards
Jan 2020 - Present
5 years 11 monthsFreelance Writer & Editor
Upwork & Fiverr
- Delivered over 200 high-quality projects including blogs, whitepapers, and eBooks
- Specialized in educational, tech, and scientific content
- Maintained 5-star ratings on both platforms for professionalism and turnaround time
- Consulted with clients to identify tone, audience, and style goals
- Revised and refined content using Grammarly, Hemingway, and AI-assisted tools
- Assisted clients in implementing editorial calendars
Jan 2019 - Dec 2020
2 yearsEditorial Intern
Kenya Literature Bureau
- Proofread educational publications before mass printing
- Assisted in compiling manuscripts and preparing print-ready layouts
- Reviewed and edited curriculum-aligned textbooks for primary and secondary levels
- Participated in editorial board meetings to assess draft suitability
- Helped create editorial reports on publication cycles
- Learned the fundamentals of government publication protocols
Summary
Detail-oriented Editor and AI Content Trainer with a strong command of English, advanced editorial skills, and a passion for AI-driven innovation.
Experienced in revising digital and print materials for clarity, tone, grammar, and structure.
Adept at collaborating with cross-functional teams to enhance AI models and editorial workflows.
Committed to raising standards, delivering impact, and fostering continuous learning in dynamic environments.
Languages
Swahili
NativeEnglish
AdvancedEducation
University of Nairobi
Bachelor of Arts · Linguistics · Nairobi, Kenya
Certifications & licenses
AI in Publishing
Google AI Fundamentals Series
Certificate in Copyediting
Coursera / University of California, Irvine
Natural Language Processing with Python
DataCamp
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