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.