YVONNE MORAA ONSONGO
Certified Executive Assistant | Project Coordination | Travel Planner| Executive
Operations | STEM & AI Research Analyst Nairobi, Kenya
SUMMARY
● Certified Executive Assistant with experience supporting executives through
proactive organization, calendar/email management, and efficient operations.
● Strong background in AI research, project coordination, and technical
problem‑solving, bringing a unique blend of administrative excellence and
analytical capability.
● Reliable, detail‑oriented, and adaptable, able to manage confidential information
and streamline workflows for remote, fast‑paced environments.
WORK EXPERIENCE
Virtual Assistant — Freelance.com
Freelance | Jan 2025 – Present | Remote
- Managed complex scheduling, appointments, and time‑zone coordination for
executives
- Oversaw inbox management, including filtering, prioritizing, and drafting responses.
- Coordinated travel logistics (flights, hotels, visas) and organized detailed itineraries.
- Conducted market, competitor, and product research to support business tasks. Prepared reports, documents, spreadsheets, and meeting minutes.
- Maintained CRM data accuracy and handled invoicing and light bookkeeping.
- Supported project workflows, team communication, and client relations.
Prompt Engineer — micro1
Contract | Jul 2023 – Present | Remote
- Developed and refined prompts to improve AI language model outputs.
- Provided domain knowledge in chemistry, English, mathematics, and general tasks.
- Ensured content quality through iterative prompt testing and optimization.
Customer Service Assistant — Himani Book Shop
Contract | Nov 2019 – Feb 2021 | Nairobi/Remote
- Greet and assist customers in finding books
- Give basic book recommendations
- Handle sales, returns, and customer inquiries
- Keep shelves organized and the shop tidy
- Support small in-store promotions or displays
AI Researcher — Remotasks
Contract | Jan 2022 – Feb 2024 | Remote
- Trained AI models across generalist and STEM domains (Math, Chemistry, Coding,
Biology).
- Provided detailed evaluations to improve model accuracy and reliability.
- Annotated and validated large datasets while meeting strict quality standards.
- Collaborated with cross‑functional teams to support AI model development.
Advanced AI Mathematics Trainee — Outlier.ai & Alignerr.ai
Full‑time | Jun 2022 – Dec 2024 | Remote
- Completed graduate‑level coursework in linear algebra, calculus, optimization,
statistics, and ML theory.
- Built strong mathematical foundations supporting modern AI systems.
- Gained experience in qualitative research and data annotation.
EDUCATION
Master of Science: Mathematics & Computer Science
University of Nairobi | 2024 – 2027
- Specializations: Applied Math, Machine Learning Theory, PDEs, Topology, Numerical
Analysis.
- Research: Optimization Algorithms for Sparse Data Sets. - Skilled in Python, MATLAB,
R, LaTeX, Mathematica.
Bachelor of Education (Science): Mathematics & Chemistry
University of Eastern Africa, Baraton | 2018 – 2022
- Completed teaching practice and delivered structured STEM content.
- Developed curriculum materials and conducted lab and classroom instruction.
ALX Africa : Virtual Assistant Course
ALX Africa | October 2025 – December 2025
- Completed professional training in virtual administrative support, communication, and
client management.
- Gained skills in email and calendar management, research, data entry, and document
preparation.
- Trained in using digital tools such as Google Workspace, Microsoft Office, Trello, and
Zoom.
- Developed strengths in customer service, time management, and remote work
professionalism.
SKILLS
Administrative: Calendar Management, Email Management, Executive Support, Travel
Planning, Scheduling, Customer Support, Invoicing, File Organization, Report Writing.
Technical: Prompt Engineering, AI Model Training, Data Annotation, Python, MATLAB,
R, Google Workspace, MS Office, CRM Tools (HubSpot, Zoho, Notion, ClickUp).
Soft Skills: Communication, Problem‑Solving, Attention to Detail, Confidentiality,
Multitasking, Adaptability.