Richard Effah-Agyapong Jr
@richardeffah-agyapon
Data scientist and AI data trainer delivering high-quality annotations and actionable ML insights.
GermanyWhat I'm looking for
I am a data scientist and experienced AI data trainer with hands-on expertise in Python, pandas, NumPy, scikit-learn and data visualization. I have applied machine learning and statistical analysis to real datasets, delivered interpretable regression models and produced actionable insights for projects like restaurant demand, housing price and used car price prediction.
I consistently meet high-quality annotation targets (90%+), ranked among top AI data trainers, and have led data-driven improvements in education and operations, boosting student performance and optimizing costs. I am eager to contribute to live industry projects, improve workflows, and grow professionally in collaborative teams.
Experience
Work history, roles, and key accomplishments
Advanced AI Data Trainer
Invisible Technologies Inc.
Oct 2023 - Feb 2026 (2 years 4 months)
Performed advanced data annotation and document classification with ≥90% accuracy, ranked in the top 5 trainers, and proposed workflow improvements that enhanced model training outcomes.
Headteacher & Data Analyst
Lamad International School
Sep 2022 - Oct 2023 (1 year 1 month)
Improved student performance by 15% and increased admissions by 12% through data-driven instructional strategies, budget optimization (10% cost savings), and teacher development programs.
Senior Math Tutor
Lamad International School
Sep 2018 - Sep 2022 (4 years)
Designed teaching strategies that improved math scores by 20%, coached students to 90% pass rates, and grew Math Club participation by 40%.
National Service Personnel
Ghana Atomic Energy Commission
Sep 2017 - Aug 2018 (11 months)
Assisted in developing shop floor and as-built drawings and coordinated raw material supply, reducing production downtime by 10%.
Education
Degrees, certifications, and relevant coursework
Arden University
Master of Science, Data Science
2026 -
Enrolled in an MSc Data Science program focusing on advanced data analysis, machine learning, and practical project work.
Kwame Nkrumah University of Science and Technology
Bachelor of Science, Mechanical Engineering
2013 - 2017
Completed a Bachelor of Science in Mechanical Engineering with coursework in applied mathematics, engineering design, and problem solving.
St. Augustine's College
West African Senior School Certificate, Secondary Education
2010 - 2013
Completed West African Senior School Certificate Examinations with focus on secondary-level STEM and general education subjects.
Tech stack
Software and tools used professionally
Availability
Location
GermanyAuthorized to work in
Job categories
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