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Denis0242/README.md

Hi, Denis 👋

Data Analyst (Healthcare & Tech) | Product Analytics | Experimentation | Tableau | SQL | Python

📍 Oakland, CA
📧 Email

🔗 LinkedIn
📊 Tableau Public
🐙 GitHub


Data Analyst with 4+ years of experience across healthcare, insurance, and product-focused analytics environments specializing in:

  • Data Analytics
  • Product Analytics
  • Funnel Analysis
  • Retention & Churn Analytics
  • Experimentation & A/B Testing
  • KPI & Executive Dashboarding
  • Customer Journey Analytics
  • Healthcare Analytics

I build modern analytics systems that transform operational, customer, and product data into actionable business insights supporting decision-making, retention improvement, and product optimization.


🚀 Featured Analytics Projects

🏥 Patient CareFlow Analytics

Healthcare journey analytics platform tracking patient progression, engagement, operational KPIs, and treatment outcomes.

Key Focus

  • Patient journey analytics
  • Funnel drop-off analysis
  • Operational KPI monitoring
  • Treatment progression analytics
  • Healthcare dashboarding

Tools

Tableau SQL Python Healthcare Analytics

🔗 Repo: Patient-Careflow


🧪 Experimentation Readout Dashboard

Experimentation analytics dashboard evaluating conversion lift, retention impact, engagement trends, and A/B test performance.

Key Focus

  • Experiment analysis
  • Variant vs control performance
  • KPI lift analysis
  • Product experimentation
  • Statistical reporting

Tools

Python Statsmodels SQL Tableau

🔗 Repo: Experimentation-Readout


📈 Customer Journey Analytics

Product analytics dashboard analyzing user funnels, customer behavior, conversion trends, and engagement patterns.

Key Focus

  • Funnel analytics
  • Conversion optimization
  • User behavior analytics
  • Customer lifecycle analysis
  • Journey mapping

Tools

SQL Tableau Python

🔗 Repo: Customer-User-Journey


🔄 Churn & Retention Analytics

Retention analytics platform identifying churn drivers, engagement risks, and customer retention opportunities.

Key Focus

  • Churn prediction
  • Retention analysis
  • Cohort analytics
  • Customer segmentation
  • Engagement monitoring

Tools

Python SQL Tableau Scikit-learn

🔗 Repo: Churn-Retention


🎯 North Star Metric (NSM) Dashboard

Executive product health dashboard tracking activation, conversion, retention, churn, and engagement KPIs.

Key Focus

  • KPI engineering
  • Product health monitoring
  • Executive reporting
  • Product growth analytics
  • Engagement metrics

Tools

Tableau SQL Python

🔗 Repo: North-Star-Metric


💙 Patient Engagement Dashboard

Healthcare engagement analytics dashboard evaluating patient activity, operational efficiency, and treatment engagement trends.

Key Focus

  • Patient engagement analytics
  • Healthcare KPIs
  • Cohort retention
  • Operational monitoring
  • Digital health reporting

Tools

Tableau SQL Power BI

🔗 Repo: Patient-Engagement


📊 Product Analytics Skills

  • Funnel Analysis
  • Retention & Churn Analytics
  • Cohort Analysis
  • KPI Monitoring
  • Product Health Metrics
  • Customer Journey Analytics
  • A/B Testing Support
  • Conversion Analysis
  • Segmentation Analysis
  • Dashboard Storytelling

🧠 Experimentation & Analytics

  • A/B Testing Analysis
  • KPI Lift Evaluation
  • Statistical Comparisons
  • Engagement Trend Analysis
  • Experiment Readouts
  • Product Performance Monitoring
  • Cohort Retention Tracking

🛠️ Tech Stack

Analytics & BI

SQL Tableau Power BI

Programming & Data

Python Pandas Scikit-learn

Data Platforms & Workflow

AWS Snowflake Redshift Prefect

Apps & Deployment

Streamlit GitHub


📌 KPI & Metrics Focus

  • Activation Rate
  • Conversion Rate
  • Funnel Drop-off %
  • D1 / D7 / D30 Retention
  • Customer Churn
  • Engagement Score
  • Patient Retention
  • Product Health Metrics
  • Executive KPI Monitoring

🧾 SQL Showcase

SQL Techniques Used Across Projects

  • CTEs
  • Window Functions
  • Joins
  • Aggregations
  • Cohort Queries
  • Funnel Queries
  • Retention Analysis
  • KPI Engineering

📷 Dashboard Showcase

Tableau Dashboards

  • Product Funnel Analytics
  • Churn & Retention Dashboard
  • Experimentation Readout Dashboard
  • Patient CareFlow Dashboard
  • Executive KPI Dashboard
  • Customer Journey Analytics

🏆 Certifications

  • Tableau Desktop Specialit
  • Generative AI
  • Deep Learning
  • Data Science — Digicrome

📈 GitHub Stats

Denis's GitHub stats


🎯 Career Focus

Focused on building analytics systems that combine:

  • Data Analytics
  • Product Analytics
  • Healthcare Analytics
  • Experimentation
  • KPI Monitoring
  • Retention Analytics
  • Executive Decision Support

to drive measurable business and operational impact.

This portfolio demonstrates more than isolated dashboards or analyses. It shows a connected product analytics system that moves from exploration and KPI reporting to journey analysis, retention modeling, experimentation, and product decision-making.

Pinned Loading

  1. Churn-Retention Churn-Retention Public

    Customer churn and retention analytics project focused on user behavior, retention trends, cohort analysis, KPI tracking, and business decision-making using SQL, Tableau, Python, and Streamlit.

    Python

  2. Customer-User-Journey Customer-User-Journey Public

    End-to-end product analytics project analyzing customer journeys, conversion funnels, retention, and engagement metrics (DAU/MAU) to drive product optimization and data-driven decisions.

    Python

  3. Experimentation-Readout Experimentation-Readout Public

    A product experimentation and A/B testing analytics project focused on conversion, retention, KPI impact analysis, statistical testing, and data-driven product decision making using SQL, Python, Ta…

    Python

  4. North-Star-Metric North-Star-Metric Public

    North Star Metric (NSM) & Executive Product Health Dashboard analyzing user growth, retention, engagement, conversion funnels, and KPI performance to support data-driven product decisions.

    Python

  5. Patient-Careflow Patient-Careflow Public

    Healthcare product analytics dashboard for patient journey, retention, operational KPIs, and careflow optimization using Tableau, SQL, and Python.

    Python

  6. Patient-Engagement Patient-Engagement Public

    Healthcare product analytics system analyzing patient engagement, retention, care pathways, and behavioral trends using SQL, Python, Tableau, and predictive analytics to support data-driven healthc…

    Python