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Hamilton Ulmer

Hamilton Ulmer's photo

Software Engineer

Hamilton joins us from Rill Data, where he was the head of application engineering. Prior to that, he was a data scientist and engineer at Mozilla, where he worked at the intersection of browser technology and data visualization.

12 BLOG POSTS AND VIDEOS

Introducing Flight Explainer: Live charts of your python pipelines

Introducing Flight Explainer: Live charts of your python pipelines

Nov 2, 2026 • Colin Rogers, Hamilton Ulmer

Agents can build a MotherDuck Flight in minutes. But how do you know it does what you asked? Flight Explainer is EXPLAIN ANALYZE for your pipelines: a live chart of every run showing the plan, which branch it took, how far each step got, and what it touched.

"We Classified 100,000 Rows in 40 Seconds: Introducing prompt_jev()" video thumbnail

49:02

prompt_jev(): SQL-Native Text Classification

Sep 29, 2026 • Hamilton Ulmer, Dumky de Wilde, Jacob Matson

MotherDuck's new prompt_jev() function runs text classification directly from SQL using Jev, a decision-focused model from typesafe.ai. In a live demo, Jacob Matson, Dumky de Wilde, and Hamilton Ulmer showed it filtering, disambiguating, and re-ranking real data without leaving SQL. The number they kept coming back to: 100,000 rows classified at 89% accuracy in 40 seconds, compared to 32 minutes and $37.58 for a comparable LLM call.

Stream

MotherDuck Features

AI, ML and LLMs

Data Pipelines

Context belongs in the warehouse

Context belongs in the warehouse

Jul 29, 2026 • Garrett O'Brien, Hamilton Ulmer, Till Döhmen, Jacob Matson

Introducing Guides, MotherDuck's context layer for AI agents. More accurate queries, lower token spend, and distributed context for your entire organization.

"What Makes a Great Data Viz? DiveMaxxing Winners Revealed" video thumbnail

46:45

What Makes a Great Data Viz? DiveMaxxing Winners Revealed

Jun 24, 2026 • Hamilton Ulmer, Brittany Rosenau, Zack Mazzoncini, Jacob Matson

What makes a great data visualization in the AI era? Three viz experts judge the DiveMaxxing winners and break down what separates great from busy.

Webinar

BI & Visualization

AI, ML and LLMs

"Stay in Flow with MotherDuck's Instant SQL" video thumbnail

Stay in Flow with MotherDuck's Instant SQL

May 21, 2025 • Hamilton Ulmer, Jacob Matson, Jerel Navarrete

​Imagine writing SQL queries that give you instant visual feedback, transforming your entire data exploration experience. That's what Instant SQL enables with MotherDuck.

YouTube

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