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mjwashick/README.md

Marshall Washick

Continuous Quality Improvement (EMS) • Data & Analytics • Systems Thinker
Sharper Systems, Smarter Results.

Hi, I’m Marshall (Marsh). I build data‑driven systems that make prehospital care safer, faster, and smarter. My toolkit blends improvement science, EMS domain expertise, and analytics in R - shipped as usable dashboards, reproducible reports, and pragmatic playbooks teams can actually run.

What I’m focused on

  • Driving the use of Improvement Science - testing and exploring new ways of applying analytical tools in novel ways for prehospital and emergency medicine.
  • Data Strategy @ DC Fire & EMS - DAMA‑aligned roadmap for trustworthy data, analytics, and AI readiness.
  • Using Statistical Process Control for Human Behavior - applying the analytical rules of statistical process control in non-standard ways.
  • NEMSIS 3.4 → 3.5 Clinical Data Transition — governance, quality rules, and analytics migration.

🚀 Featured Projects

  • 🧪 Orthogonal Array Testing (OAT) in EMS QI
    Demonstrates efficient experimentation for improving prehospital care—reducing trial burden while revealing key drivers of performance.

  • 🎨 DcStyle – ggplot2 Theme
    A custom visualization theme aligned to the DC Style Guide for consistent, professional-grade analytics reporting.

  • 📚 Intro to Prehospital Analytics Book in progress!

  • 🔗 EMS Data Ingestion Pipeline (R + SQL)
    Proof-of-concept workflow for automating daily data ingestion from CSV into a structured SQL warehouse to reduce silos and enable reliable dashboards.

  • 🚑 Advanced Airway Management QI Toolkit
    Practical tools and analytic templates to support a national effort to reduce intubation-related harm in prehospital care.

Writing & speaking

  • EMS QI Desk — practical notes on SPC, experimentation, and ops improvement.
  • Talks on Shewhart charts, run rules vs detection power, and data strategy for public safety.

Tech stack

R Quarto Shiny SQL Server ODBC Git/GitHub DAMA DMBOK

Connect

“In God we trust; all others must bring data.” — (and then make it visual, reproducible, and actionable.)

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  1. Portfolio Portfolio Public

    Personal portfolio of projects, presentations, and analyses I've developed over the course of my career.

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