Hire the Best Data Analysts in Nairobi, KE

With over 7 years of experience, I help organizations cut through the noise, transforming complex data into clear, actionable insights that move the needle. Whether it's data analysis, visualization, reporting, or automation, I bring precision and clarity to every project using Excel, Power BI, SQL, Python and any other analytics tool available. What I Can Do for You Data Analysis & Reporting – Uncover key trends, KPIs, and actionable insights from financial, healthcare, e-commerce, operational, and survey data. Advanced Excel Automation – Expertise in VLOOKUP, INDEX-MATCH, Pivot Tables, Conditional Formatting, Data Validation, Power Query, and VBA Macros. I build smart, automated Excel solutions that save time and eliminate manual effort. Data Cleaning & Transformation – Clean, validate, and restructure raw datasets (from CRM, ERP, financial, or operational systems) for accurate, ready-to-use data. Python for Data Analysis – Skilled in Pandas, NumPy, Matplotlib, Seaborn, and openpyxl for data wrangling, statistical analysis, and automation. Data Visualization & Dashboards – Create dynamic, easy-to-understand dashboards using Power BI, Excel, and Python visualization tools to track and present metrics clearly. SQL & Database Management – Proficient in MySQL, PostgreSQL, and SQL Server for querying, joining, and aggregating large datasets to extract relevant insights. PowerPoint Presentations & Optimization – Expert in designing data-driven PowerPoint reports and executive summaries. I convert analytical findings into clear, visually optimized slides that effectively communicate key insights to stakeholders and decision-makers. Data Entry & Quality Assurance – Manage and validate large data entries, ensuring consistency and integrity across systems. Why Work With Me Proven Analytical Expertise – Experienced in handling diverse data types: financial, operational, health, and marketing datasets. Automation-Driven – I streamline workflows with Excel Macros, Power Query, and Python scripting, reducing manual workload. Visualization-Focused – I combine strong analytical thinking with design and presentation skills, ensuring your data tells a compelling story. Results-Oriented – My focus is on delivering insights that drive smarter, faster business decisions. Clear Communicator – I deliver reports, dashboards, and PowerPoint presentations that are easy to understand and decision-focused. Tools Excel (Advanced): Power Query, Pivot Tables, Macros, VBA, VLOOKUP, INDEX-MATCH, Conditional Formatting, Google Sheets Python: Pandas, NumPy, Matplotlib, Seaborn, openpyxl, xlwings SQL: MySQL, PostgreSQL, SQL Server Power BI: Interactive dashboards, DAX, Data Modeling PowerPoint: Professional data presentations, report design, automation, and optimization Data Cleaning Tools: Excel, Python, Power Query Core Data Analysis Skills Data Analysis | Data Cleaning | Data Visualization | Data Entry | Reporting & Insights | Statistical Analysis | Business Intelligence (BI) | Dashboard Design | Data Interpretation | Data Management Excel & Power Query Microsoft Excel | Excel Automation | Excel Macros (VBA) | Power Query | Pivot Tables | Excel Dashboard | Excel Data Cleaning | Advanced Excel Functions (VLOOKUP, INDEX-MATCH, etc.) | Spreadsheet Modeling | Excel Reporting Python for Data Analysis Python | Pandas | NumPy | Matplotlib | Seaborn | openpyxl / xlwings | Python Automation | Data Wrangling | Exploratory Data Analysis (EDA) SQL & Database Skills SQL | MySQL | PostgreSQL | Query Optimization Visualization & Reporting Tools Power BI | PowerPoint Presentation Design | PowerPoint Optimization | Data Storytelling | Reporting Dashboards | Google Sheets Domain & Analytical Specialties Financial Data Analysis | Marketing Data Analysis | Healthcare Data Analysis | Operational Data Analysis | Survey Data Analysis Let’s Connect If you’re looking for a detail-oriented Data Analyst who can not only analyze your data but also visualize and present it effectively, let’s collaborate. I’ll help you transform your raw data into insights that tell a story, influence decisions, and drive measurable impact.

Looking for someone who can build production-grade data pipelines and Power BI dashboards that your business actually trusts? I'm a data engineer with hands-on Microsoft Fabric, SQL, and Power BI experience built inside real banking and fintech operations, not just tutorials or personal projects. What I Offer: ✅ Microsoft Fabric Architecture – Lakehouse/Warehouse design, medallion (Bronze/Silver/Gold) data models, Dataflow Gen2, and automated pipeline orchestration ✅ Power BI & Advanced DAX – Enterprise semantic models with complex DAX measures (KPIs, time intelligence, financial metrics) built for executive-level reporting, not just basic charts ✅ SQL & Data Modeling – Advanced querying, performance tuning, and star/snowflake dimensional modeling across SQL Server/T-SQL, PostgreSQL, and Oracle ✅ ETL Pipeline Engineering – Designing and maintaining scalable pipelines (Airflow, PySpark, Python) that ingest, clean, and transform data from multiple source systems ✅ Data Quality & Reconciliation – Building validation frameworks that catch errors, duplication, and anomalies before they reach your reports — a discipline I built diagnosing real production data issues at scale ✅ Python Automation – Scripting for data processing, workflow automation (n8n), and repetitive task elimination Why Work With Me: 🔹 Real Financial Services Experience – I've built fraud detection rules, risk dashboards, and credit product reporting inside an actual bank, not just simulated data 🔹 Engineering Rigor – I validate before I ship: control totals, backups, and reconciliation checks are standard practice in my work, not an afterthought 🔹 Clear Communication – I translate technical work into plain business language and keep you updated at every stage If your data pipelines are unreliable, your dashboards don't tell a clear story, or you need someone who understands both the engineering and the business side of the data — let's talk about your project.

I help businesses turn complex data into actionable insights, predictive systems, and measurable results through Data Science, Data Analytics, Artificial Intelligence, Machine Learning, and Marketing Analytics. I build end-to-end analytics and AI solutions that help organizations forecast demand, optimize operations, improve marketing ROI, understand customer behavior, automate decision-making, and uncover growth opportunities. My expertise includes predictive modeling, machine learning, forecasting, business intelligence, Marketing Mix Modeling (MMM), attribution, customer analytics, causal inference, and experimentation. PROVEN IMPACT • Reduced cart abandonment by 25% through predictive modeling and cohort analysis • Improved marketing efficiency and ROAS using Bayesian MMM • Developed AI-driven pricing systems to optimize revenue and pricing strategy • Built forecasting systems for demand planning and operations • Increased customer retention and LTV through segmentation and personalization • Automated analytics and reporting workflows to reduce manual reporting DATA SCIENCE & MACHINE LEARNING • Predictive modeling and statistical analysis • Time-series and demand forecasting • Classification and regression • Churn prediction and survival analysis • Customer segmentation and personalization • Recommendation systems • Pricing optimization • Fraud and anomaly detection • Feature engineering and model optimization DATA ANALYTICS & BUSINESS INTELLIGENCE • Exploratory Data Analysis (EDA) • SQL and Python analytics • Data cleaning, transformation, and ETL • KPI development and performance analysis • Power BI, Tableau, Looker Studio, and Excel • Interactive dashboards and data visualization • Automated reporting and business analytics AI & PREDICTIVE SYSTEMS • AI-powered analytics and decision systems • Machine learning automation • Predictive analytics and AI-assisted forecasting • Dynamic pricing systems • Automated analytics workflows • AI platform and SDK evaluation • API-based data and AI applications MARKETING & E-COMMERCE ANALYTICS • Marketing Mix Modeling (MMM) • Marketing attribution and incrementality • Budget optimization and media allocation • Meta Ads and Google Ads analytics • Funnel and conversion optimization • Customer journey and behavioral analytics • Customer Lifetime Value (LTV) and cohort analysis • ROAS and profitability analysis • Shopify and GA4 analytics • A/B testing and experimentation CAUSAL INFERENCE & ADVANCED ANALYTICS • Difference-in-Differences (DiD) • Bayesian Structural Time Series (BSTS) • Synthetic Control methods • Incrementality and lift analysis • Geo-level experimentation • Elasticity and scenario analysis SELECTED PROJECTS 🔹 AI Forecasting Platform Evaluation – FOUNT Evaluated an AI-native forecasting and causal intelligence platform against machine learning baselines. Developed an XGBoost forecasting benchmark, engineered time-series features, and evaluated performance using WAPE, MAPE, and R². Conducted hyperparameter tuning, SDK validation, workflow testing, and technical documentation reviews. 🔹 Bayesian Marketing Mix Modeling Developed Bayesian MMM models using PyMC and NumPyro to measure channel effectiveness, analyze saturation, quantify incremental impact, and optimize marketing budget allocation. 🔹 AI Dynamic Pricing Engine Developed a machine learning pricing system combining demand forecasting, historical data, and competitive signals to optimize pricing and revenue performance. 🔹 Predictive Customer Analytics Built predictive, survival analysis, cohort, and segmentation models to identify behavioral patterns, predict churn, and improve customer retention. 🔹 Business Intelligence & Analytics Developed dashboards and automated analytics workflows using Power BI, SQL, Python, and Excel to transform raw data into actionable business insights. TYPICAL PROJECTS Data Science | Data Analysis | Machine Learning | AI | Predictive Analytics | Business Intelligence | Forecasting | MMM | Attribution | Customer Analytics | Churn Prediction | Segmentation | Pricing Optimization | Causal Inference | A/B Testing | E-commerce Analytics | Dashboards | ETL TECH STACK Python, SQL, R, Pandas, NumPy, Scikit-Learn, XGBoost, LightGBM, CatBoost, TensorFlow, PyMC, NumPyro, Spark, BigQuery, Snowflake, Databricks, Power BI, Tableau, Looker Studio, Excel, GA4, Meta Ads, Google Ads, Shopify, AWS, GCP, Azure WHY CLIENTS WORK WITH ME • Strong combination of Data Science, AI, Analytics, and business strategy • End-to-end capability from raw data to models, dashboards, and recommendations • Focus on measurable business outcomes and practical solutions • Ability to translate complex analysis into clear business decisions LET’S WORK TOGETHER If you need a Data Scientist, Data Analyst, Machine Learning specialist, AI consultant, or Marketing Analytics expert who can turn your data into practical business results, let’s discuss your project.

Do you need someone who can handle your entire data journey? From collecting data, to analysing it, to automating the processes around it, and finally presenting it in a stunning, interactive dashboard? You've found that person. I'm Catherine, a data analyst and statistician with deep expertise across the full data pipeline. I don't just run numbers. I help you collect, clean, analyse, automate, and visualise your data in a way that drives real decisions. What I bring to your project: 📊 Statistical analysis & research: Hypothesis testing, regression, SEM, survival analysis, psychometrics/scale validation, and econometric modelling using SPSS, R, Stata, Python, Jamovi, and JMP. I've contributed to peer-reviewed journal publications through my statistical work on surgical databases (NSQIP). 🔍 Qualitative research: Thematic and content analysis using NVivo, MAXQDA, and Atlas.ti for interviews, focus groups, and open-ended survey data. ⚙️ Automation & workflow design: I build end-to-end automated pipelines using Make and Google Apps Script, including integrations with Stripe, Google Forms, Google Sheets, landing pages, and more. Recent clients have seen their manual data workflows fully automated. 📈 Dashboards & data visualisation: Interactive executive dashboards in Power BI and Looker Studio, tailored for marketing teams, operations, healthcare, and finance. I turn raw data into clear, compelling visual stories. 📋 Survey design & data collection: End-to-end survey projects using Google Forms, Typeform, and Qualtrics, including automated data pipelines from form submission to clean, analysis-ready datasets. I've worked across yachting, healthcare, finance, and academia, and I also offer tutoring in SPSS, R, and Stata for students and professionals. Let's talk about how I can support your project.