Nairobi, Kenya

Turning Data Into Actionable Insights

I'm Crispin Oigara, a data scientist & analyst specializing in machine learning, analytics engineering, and business intelligence.

Data Science

About Me

Who I Am

I'm a passionate data professional with expertise in machine learning, data analysis, and business intelligence. I help organizations make data-driven decisions by transforming raw data into actionable insights.

With a background in both technical implementation and business strategy, I bridge the gap between data science and business needs to deliver practical, impactful solutions.

3+ Years Experience
50+ Projects Completed

My Approach

Problem Understanding

Deep dive into business context to frame the right questions.

Data Exploration

Thorough analysis to uncover patterns and relationships.

Model Development

Building robust, explainable models tailored to needs.

Impact Delivery

Clear communication and actionable recommendations.

My Skills

Machine Learning

scikit-learn TensorFlow PyTorch XGBoost Time Series NLP

Data Engineering

Python SQL Pandas Airflow BigQuery dbt

Visualization

Matplotlib Seaborn Plotly Power BI Tableau Looker

Cloud & Deployment

AWS GCP Docker Kubernetes FastAPI CI/CD

Business Tools

Excel Google Sheets PowerPoint Jupyter Git

Soft Skills

Communication Problem Solving Teamwork Project Management Mentoring

Featured Projects

Loan Default Prediction

Loan Default Prediction

Machine learning model to predict loan defaults with 92% accuracy, reducing risk exposure.

Python XGBoost SHAP
View Project
Demand Forecasting

Retail Demand Forecasting

Time series forecasting system that reduced inventory costs by 18% for retail chain.

Prophet ARIMA Python
View Project
Customer Segmentation

Customer Segmentation

Unsupervised learning to identify 5 distinct customer segments for targeted marketing.

K-Means PCA Tableau
View Project
Health Analytics

Hospital Readmission Prediction

ML model predicting 30-day readmissions with 85% recall to improve patient outcomes.

Random Forest SMOTE Flask
View Project
Fraud Detection

Credit Card Fraud Detection

Anomaly detection system that identified fraudulent transactions with 94% precision.

Isolation Forest Autoencoders AWS
View Project
NLP Analysis

Customer Sentiment Analysis

NLP pipeline analyzing 10K+ customer reviews to identify key satisfaction drivers.

BERT NLTK Streamlit
View Project

Client Testimonials

Client

Sarah Johnson

Product Manager, FinTech Startup

"Crispin transformed our approach to data. His forecasting models reduced our inventory costs by 22% while improving availability. He communicates complex concepts clearly and delivers on time."

Client

Michael Chen

CTO, Healthcare SaaS

"The fraud detection system Crispin built has saved us over $500K annually. His attention to model explainability helped our team understand and trust the predictions."

Client

Amina Mohamed

Director, Retail Chain

"Crispin's customer segmentation work fundamentally changed our marketing strategy. The dashboards he created are used daily by our executive team for decision making."

Get In Touch

Have a data challenge you need help with? Want to discuss a potential project? Feel free to reach out - I'm always happy to explore how data science can drive value for your organization.

Location

Nairobi, Kenya

Availability

Monday - Friday, 9AM - 5PM EAT

Send Me a Message