Marcel Palma

Data Scientist & Business Analytics. Bridging advanced data science with a robust background in Business Strategy, Marketing, Accounting, Finance and Digital Transformation. I specialize in turning complex datasets into strategic insights through Machine Learning, predictive modeling and business intelligence.

Featured Case Study: Early Warning System for Customer Dissatisfaction

Key Tags
ML Machine Learning
DL Deep Learning
AB A/B Testing
DS Data Science
BI Business Intelligence
DA Data Analytics
BD Big Data
DQ Data Quality
DE Data Engineering
ST Statistics / SQL
AA Advanced Analytics
ML

Early Warning System - Customer Churn

Early warning system to predict customer attrition using advanced classification models.

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ML

Cardiac Anomaly Classifier

Supervised learning algorithms for the detection and classification of anomalies in cardiac data.

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ML

Customer Segmentation Clustering

Grouping customer profiles using K-Means to optimize personalized business strategies.

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ML

Fitness Churn Predictive Analytics

Customer retention model and churn prediction for fitness centers.

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DL

Deep Learning Chest XRay

Convolutional Neural Networks (CNN) for medical diagnostic imaging classification.

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AB

User Behavior AAB Testing Analysis

Interface change evaluation through A/A/B testing to ensure experiment integrity.

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AB

Ecommerce Revenue AB Testing

Financial impact analysis of new features within the e-commerce sales funnel.

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AB

Test Funnel Optimization

Statistical analysis focused on improving conversion rates and user journeys.

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DS

Football Statistical Modeling (R)

Probabilistic modeling and sports performance analysis using the R ecosystem.

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DS

Sports Analytics LaLiga

Predictive analysis of performance metrics for professional football teams.

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DS

Probability Law Simulator

Statistical simulations of applied probability laws for data modeling.

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BI

Youtube Trending BI Pipeline

Automated data pipeline for global trend analysis in video content.

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BI

Showz Marketing Budget Optimization

ROMI and LTV calculation to optimize advertising investment and ROI.

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DA

Telecom Operator Efficiency Analytics

Optimizing operational KPIs in call centers through operator effectiveness analysis.

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DA

NBA Advanced Analytics PowerBI

Advanced visualization of player performance metrics and team efficiency.

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DA

LaLiga Performance Dashboard

Interactive dashboard for tracking competitive metrics in professional football.

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DA

Infocar Market Dashboard

Market trend visualization and competitive analysis for the automotive industry.

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BD

NBA Hadoop Spark Ecosystem

Distributed processing of massive historical NBA datasets using Big Data tools.

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DQ

Instacart Market Basket Analysis

Product association analysis to optimize commercial inventory and cross-selling.

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DQ

Music Streaming Behavior Analysis

Analyzing cross-city listening patterns using Pandas and data cleaning techniques.

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DQ

Data Quality Engineering Store1

Data cleaning and integrity validation processes for commercial datasets.

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DE

Football Data Engineering SQL

Database architecture and ETL design for sports statistics management.

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DE

Zuber Taxi Market Analytics

Analyzing weather impact on ride-sharing through SQL and web scraping.

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ST

Telecom Revenue Statistical Analysis

Hypothesis testing regarding the profitability and performance of cellular plans.

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ST

SQL Book Market Analysis

Analyzing book industry trends during the pandemic through SQL queries.

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AA

Video Game Market Success Patterns

Identifying key success factors and trends for global video game releases.

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AA

Customer Analytics Tooling Store1

Development of advanced segmentation tools for retail business intelligence.

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Technical & Strategic Expertise

Hybrid profile with the ability to deploy advanced models and analyze high-level business impact:

Data Science & AI
Machine Learning: Supervised and unsupervised, Scikit-Learn, XGBoost, TensorFlow, Keras, PyTorch.
Deep Learning: CNN Architectures.
Generative AI: Prompt Engineering and Multimodal Models.
Data Analytics & BI
Pandas, NumPy, Matplotlib, Seaborn, Plotly, Statsmodels.
Business Intelligence: Power BI, Tableau, and robust ETL/EDA methodologies.
Code & Databases
Python (VS Code), R, DAX.
Databases: PostgreSQL, SQL Server, MySQL, MongoDB, Cassandra.
Big Data & Cloud Ecosystem
Cloudera Hadoop, Databricks (Spark).
Cloud: Knowledge in AWS/Azure environments and virtualization (Oracle VirtualBox).
Business & Product Strategy
KPIs, ROI, LTV, Business Model Canvas, UX/UI.
Data-Driven Finance: Decision-oriented financial and tax analysis.
DevOps & Environments
Git, GitHub, terminal management (Bash/PowerShell), Visual Studio Code and Anaconda environment administration.
Communication & Education
Translating complex metrics into actionable insights for diverse audiences.
Teaching: Experienced professional instructor and university professor, enhancing organizational data literacy.
Leadership & Teamwork
Managing interpersonal relationships and collaborating in multidisciplinary teams.
Values: Adaptability to change and professional mentorship.

Professional Experience

Director of Statistical Research
2015 - Present

Specializing in business process automation and applied statistical modeling for operational excellence.

University Professor & Professional Instructor
2008 - Present

Training over 450 companies in Data Analytics, AI, Digital Marketing, and Strategic Management.

Strategic Consultant & Business Analytics Expert
2000 - Present

Leading digital transformation initiatives, financial strategy, and data-driven consulting for various sectors.

Education

  • ๐Ÿ… MSc. IT Governance
    UNED (Costa Rica)
  • ๐ŸŽ“ MSc. Project Management
    UCAM - Universidad Catรณlica de Murcia / EOBS (Spain)
  • ๐Ÿ… MSc. Artificial Intelligence
    Learning Heroes (Spain)
  • ๐ŸŽ“ Bachelor's Degree in Business
    UNED (Costa Rica)
  • ๐ŸŽ“ MSc. Business Administration
    USJ - Universidad de San Josรฉ (Costa Rica)
  • ๐ŸŽ“ MSc. Digital Marketing & Advertising
    EUDE Business School (Spain)
  • ๐Ÿ… Data Analyst Professional Certification
    TripleTen Bootcamp
  • ๐ŸŽ“ Bachelor's Degree in Public Accounting
    UNED (Costa Rica)
  • ๐ŸŽ“ Bachelor's Degree in Banking & Finance
    UNED (Costa Rica)
  • ๐Ÿ… MSc. Data Science & Business Analytics
    IMMUNE / UMECIT (Spain / Panamรก)
  • ๐ŸŽ“ MSc. Social Media Strategy & Community Management
    TECH Technological University (Spain)
  • ๐ŸŒ Languages: English (B1-B2), Spanish (Native)