Open to opportunities

Brian Koros

@briankoros

Message

Analytical Data Scientist skilled in machine learning and data analytics.

Kenya

Message

What I'm looking for

I am looking for a role that fosters growth, encourages innovation, and values data-driven decision-making.

I am an analytical and detail-oriented Data Scientist with proven experience in data analytics, business intelligence, and machine learning. My proficiency in SQL, Python, and Tableau allows me to build predictive models, dashboards, and APIs that support effective business decision-making. I am passionate about solving complex problems with data and communicating insights in simple, actionable terms.

In my current role as a Junior Data Analyst at Prompt BI, I have refined data workflows and optimized complex SQL queries, improving our real-time BI platform's response time by 25%. My previous experience as a Data Science Fellow at Moringa School involved building and deploying predictive models that improved client insights accuracy by 15%. I thrive in environments where I can leverage my skills to enhance data accessibility and drive impactful decisions.

Experience

Work history, roles, and key accomplishments

Current

Junior Data Analyst

Current

Prompt BI

Feb 2025 - Present (3 months)

Refined data workflows and optimized complex SQL queries, improving the real-time BI platform's response time by 25%, enhancing data accessibility for stakeholders. Tested and validated data pipelines pre-launch, ensuring 99% data accuracy and reliability for business decision-making.

SQL Data Pipelines Business Intelligence Data Validation

Data Science Fellow

Moringa School

Jul 2024 - Feb 2025 (7 months)

Built and deployed predictive models that improved client insights accuracy by 15% through rigorous statistical analysis and A/B testing. Developed scalable ETL pipelines on Azure, reducing data processing time by 30% and streamlining data ingestion workflows.

Predictive Analysis Statistical Analysis A B Testing ETL Azure

IT Attaché

County Government of Kericho

Jul 2022 - Oct 2022 (3 months)

Installed and configured Windows/Linux operating systems for over 50 staff, enhancing operational efficiency. Managed IT asset inventory, ensuring 100% tracking of software licenses and hardware components, reducing loss and downtime.

Windows Linux Django Machine Learning APIs

Education

Degrees, certifications, and relevant coursework

Karatina University

Bachelor of Science, Computer Science

Specialized in data science and machine learning. Built a strong foundation in algorithms, data structures, programming, and systems design.

Moringa School

Data Science Certification, Data Science

Completed intensive training in Python, SQL, machine learning, and data visualization. Gained hands-on experience through real-world projects and collaborative problem-solving.