# Peter Hadlaw

> Peter Hadlaw is a Chicago-based machine learning engineer and photographer whose public career is anchored by a long run at Tesorio. He describes himself as a founding engineer who helped the fintech company grow from seed stage to Series B, and his technical trail stretches from a 2012 stint with Globus Labs to a 2017 PyBay talk on retry logic, open-source work on GitHub, and current machine-learning work in accounts-receivable software. Away from code, he maintains a 56-image photography portfolio that includes Chicago streets, California cityscapes, nature, animals, and architecture.

- **Role:** Machine Learning Engineer at Tesorio
- **Organizations:** Tesorio, Globus Labs, Illinois Institute of Technology
- **Education:** Computer Science studies; Camras Scholar, Illinois Institute of Technology
- **Known for:** Received the Camras Scholarship at Illinois Institute of Technology in 2013, described on his public profile as a full-tuition award for academic, social and extracurricular success., Helped grow Tesorio from seed stage to Series B as its first engineer, according to his LinkedIn profile., Co-presented a PyBay 2017 technical session on retry best practices for third-party APIs.

## Career timeline

- **2012** — Listed among the people who worked with Globus Labs.
- **2013** — Named a Camras Scholar at Illinois Institute of Technology, with a full-tuition scholarship.
- **2013-2015** — Studied computer science at Illinois Institute of Technology.
- **2015** — Joined Hacker News under the handle peterhadlaw; the public account remains active.
- **2017** — Co-presented 'Retry Best Practices' with Fabio Fleitas at PyBay while at Tesorio.
- **Current** — Works as a Machine Learning Engineer at Tesorio and describes himself as a founding engineer who helped the company grow from seed stage to Series B.

## Achievements

- Received the Camras Scholarship at Illinois Institute of Technology in 2013, described on his public profile as a full-tuition award for academic, social and extracurricular success.
- Helped grow Tesorio from seed stage to Series B as its first engineer, according to his LinkedIn profile.
- Co-presented a PyBay 2017 technical session on retry best practices for third-party APIs.
- Maintains 14 public GitHub repositories and a profile showing more than 1,000 starred repositories.
- Maintains a public 500px portfolio containing 56 photographic works.

## Latest updates

- **2026-09** — Public profiles continue to list Hadlaw as a Machine Learning Engineer at Tesorio in Chicago.
- **2025-02** — Commented on Hacker News about structured extraction from documents and images using local vision-language models.
- **2024-07** — Commented on Hacker News about durable software and the value of tools that continue to work for years.

## Links

- Website: https://peterhadlaw.com/
- LinkedIn: https://www.linkedin.com/in/peterhadlaw
- GitHub: https://github.com/peterhadlaw
- Instagram: https://www.instagram.com/peterhadlaw/

---

Profile page: https://yespress.io/peter-hadlaw
Published by YesPress — https://yespress.io
Last updated: 2026-09-27