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Hi👋, I'm José G. Portela

Biostatistician, mathematician, and data analyst passionate about public health, equity, and transforming data into actionable solutions. As someone living with epilepsy, I am a lifelong learner with a deep interest in epilepsy-related conditions, data-driven public health topics, and the mathematical concepts that underpin them. I'm also intellectually curious beyond my field, with a particular appreciation for historical topics as a lens to understand broader social and scientific contexts.


👨‍💻 About Me

💼 Current Role

  • Biostatistician & Data Analyst | Independent Contractor (May – December 2025)

    • Build, manage, and document large databases (Excel, R, Python, SQL).
    • Provide statistical consulting for public health and infrastructure projects.
    • Collaborate with professionals from multiple fields to deliver data products aligned with policy and planning goals.
    • Conduct socioeconomic analyses focused on poverty, employment, health coverage, and demographic projections.
  • Data Analyst – Grupo Nexos Inc. (April – June 2024)

    • Handled secure merges of datasets with over 24.8M records.
    • Ensured functionality, accuracy, and usability of a public access platform.
    • Delivered weekly reports and presented findings to technical and client teams.



🔬 Research Projects

  • Capstone Project – Gender Violence & Health Services (Jun–Jul 2024)
    Collaborating with fellow graduate students in biostatistics and epidemiology, I designed and conducted statistical analyses for a study titled "Prevalence, Knowledge, and Attitudes of Gender-Based Violence among Women Receiving Services in Primary Care Health Centers in Puerto Rico." I contributed to survey design, data entry, Stata programming, and reporting under the guidance of Drs. Cynthia Pérez and Gilberto Ramos.

  • PhD Dissertation Support – Urban Wetlands & Bayesian Modeling (Jun–Jul 2023)
    Guided a PhD student (at the time) in Bayesian analysis (MixSIAR in R) for research on plant-water interactions in tropical wetlands. Collaborated with Solimar Pinto Pacheco, PhD, and Dr. Elvira Cuevas.

  • AI/ML & Health Disparities Course Project (Nov 2022 – May 2023)
    Supported instruction and analysis in a course applying Python (Scikit-learn, Jupyter, Anaconda) to study health disparities. Created demos and graded student assignments.

  • COVID & HIV Study – Bayesian Survival Analysis (Sept 2022 – Feb 2023)
    Reviewed literature, practiced statistical modeling in WinBUGS/R, and prepared documents in LaTeX for a study on COVID outcomes among people living with and without HIV.


🛠 Languages & Tools

R RStudio Python Jupyter MySQL SQLite Anaconda LaTeX

Also experienced in: Excel · Stata · Epi Info · OpenEpi


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