Data Journalist · Analyst · Builder

Jeffry
Arevalo

Data analyst by training.
Journalist by instinct.
Builder by nature.

About

Hi, I'm Jeffry Arevalo, a data analyst and data journalist. I ask questions of data and publish what the numbers actually say. Recent investigations include Priced for Forever, on the trillion-dollar bet behind the AI boom, The AI Race, and The K-Shaped Economy. I am drawn to questions where the data tells a story the headlines miss.

I work in a way that is still new, and I am open about it. I set the questions, direct the research, and check every claim against primary sources. The hands-on code behind my investigations, tools, and games is written by AI (Claude) under my direction and review, and every published piece says so. My own toolkit is the analyst's core: Tableau, Power BI, Excel, and careful sourcing.

The result is a site you can actually use. Read the full data investigations on my Publications page, explore working tools and dashboards on my Projects page, or take a break and play a browser game in The Arcade.

Skills & Focus Areas

Data & Analytics

  • Data Analysis
  • Tableau
  • Power BI
  • Excel
  • Data Visualization

AI & Automation

  • Directing AI Agents (Claude)
  • Prompt Engineering
  • AI-Assisted Python & SQL
  • AI-Powered Workflows

AI-Assisted Development

  • Websites & Web Apps
  • Browser Games
  • Dashboards & Data Tools
  • Interactive Data Stories

Data Journalism

  • Investigative Research
  • Data Storytelling
  • Source Verification
  • Editorial Direction

How I work: I set the questions, direct the analysis, and edit the results. The hands-on code behind my projects and investigations is written by AI (Claude) under my direction and review, and every published piece says so.