# Petie Clark

> Principal Applied AI Systems Engineer. I turn operational friction into governed AI systems: persistent agent orchestration, evaluation, enterprise integration, approval boundaries, deployment, and production operations. Selectively exploring hands-on principal/staff applied-AI systems roles, remote from Southeast Georgia.

- 12 years building enterprise and production systems.
- Current: Vice President, Integration Engineering at Tradeweb Markets (2025–present); Founder & Principal AI Systems Engineer at Clearline Tech Methods (2020–present).
- Contact: petie@petieclark.com · LinkedIn: https://linkedin.com/in/petieclark · GitHub: https://github.com/petieclark

## Selected systems

- [Agentic LIMS Delivery](https://petieclark.com/projects/agentic-lims/): Governed agent workflows turn requirements, implementation, testing, release evidence, and operational follow-through into one bounded delivery system—compressing complex work from months to days without removing human approval.
- Friday: A persistent AI operating system that routes work to fresh specialists, preserves context, enforces approval boundaries, evaluates evidence, and coordinates hundreds of meaningful executions and checks in an ordinary week.
- [Blackglass](https://blackglass.petieclark.com): An encrypted iOS messaging system with multi-device identity, signed device frames, APNs wake-ups, replay protection, revocation, rollback journals, and terminal-failure quarantine.
- [Mutiny](https://mutinyapp.gg): A self-hostable cross-platform communications product spanning web, native iOS, Electron, messaging, file delivery, LiveKit voice, screen sharing, notifications, administrative analytics, and production operations.

## Key writing

- [From Months to Days: How Agentic LIMS Delivery Compresses the Work](https://blog.petieclark.com/from-months-to-days-how-agentic-lims-delivery-compresses-the-work/)
- [The Interface Between Humans and Automation Is an Authority Model](https://blog.petieclark.com/the-interface-between-humans-and-automation-is-an-authority-model/)
- [I Do Run AI Agents Overnight. Here's What Actually Matters.](https://blog.petieclark.com/i-do-run-ai-agents-overnight-heres-what-actually-matters/)
- [Fine-Tuning a 20B Model on 512GB Apple Silicon: What I Learned](https://blog.petieclark.com/fine-tuning-a-20b-model-on-512gb-apple-silicon-what-i-learned/)
- [Why I Write Down the Rollback Before the Change](https://blog.petieclark.com/why-i-write-down-the-rollback-before-the-change/)
- [The Case for a Smaller Blast Radius](https://blog.petieclark.com/the-case-for-a-smaller-blast-radius/)
- [Why I Prefer One Clear Source of Truth](https://blog.petieclark.com/why-i-prefer-one-clear-source-of-truth/)

## Optional

- [Blog (all posts)](https://blog.petieclark.com/)
- [Blog RSS](https://blog.petieclark.com/rss/)