<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="3.10.0">Jekyll</generator><link href="https://kyleries.com/feed.xml" rel="self" type="application/atom+xml" /><link href="https://kyleries.com/" rel="alternate" type="text/html" /><updated>2026-09-08T19:07:47-06:00</updated><id>https://kyleries.com/feed.xml</id><title type="html">Kyle Ries</title><subtitle>Field notes on data platform, governance, cost, and leadership work at a global manufacturer, a statewide utility data platform, a public utility, and a youth-sports SaaS. Open to Director / Head of Data roles, remote or in Colorado Springs.</subtitle><author><name>Kyle Ries</name></author><entry><title type="html">Causal business models, or what to build once the whole business is in one data lake</title><link href="https://kyleries.com/posts/causal-business-models/" rel="alternate" type="text/html" title="Causal business models, or what to build once the whole business is in one data lake" /><published>2026-09-08T16:47:13-06:00</published><updated>2026-09-08T16:47:13-06:00</updated><id>https://kyleries.com/posts/causal-business-models</id><author><name>Kyle Ries</name></author><category term="causal-business-models" /><category term="metric-tree" /><category term="causal-inference" /><category term="fp-and-a" /><category term="planning" /><category term="natural-experiments" /><category term="data-products" /><category term="measurement" /><summary type="html"><![CDATA[A metric tree that breaks the FP&A plan down into the drivers teams can actually move, kept as a living dataset rather than a dashboard and refreshed from the data lake often enough to compare what projects promised against what the business actually did - and how the natural experiments hiding in the data made the estimates better.]]></summary></entry><entry><title type="html">Advent of Code, 2022</title><link href="https://kyleries.com/posts/advent-of-code-2022/" rel="alternate" type="text/html" title="Advent of Code, 2022" /><published>2022-12-06T18:48:00-07:00</published><updated>2022-12-06T18:48:00-07:00</updated><id>https://kyleries.com/posts/advent-of-code-2022</id><author><name>Kyle Ries</name></author><category term="advent-of-code" /><category term="sql" /><category term="python" /><category term="bigquery" /><summary type="html"><![CDATA[Advent of Code 2022 in Python, after two years of attempting it in SQL on BigQuery, and the logarithm trick that turned one 2021 puzzle's multiplication problem into addition.]]></summary></entry></feed>