Essays
Long-form notes on data, software, and the craft of building things that last.
January 20256 min readMarch 20258 min readJune 202510 min read
Why SQL Is Still the Best Data Tool in 2025
Despite the proliferation of Python notebooks, dbt, and Spark, SQL remains the most productive tool for the majority of analytical work. Here's why I still reach for it first.
SQL / Data Analysis / Tools
Lessons from Automating an Accounting Workflow Nobody Touched for 10 Years
When a process has survived unchanged for a decade, there's usually a reason. Navigating the politics and technical debt of replacing it taught me more about change management than any course.
Excel / Power Query / Automation
Graph Theory for Data Analysts: What You Actually Need to Know
You don't need a CS degree to use network analysis. After applying it to 2M+ bike share records, here are the three concepts that actually matter for practical analytical work.
Graph Theory / Python / Network Science