# Thanapat Pirmphol

> Thanapat Pirmphol (also known as oadtz) is a CTO and software engineer with 20+ years of experience across software architecture, blockchain, AI delivery and engineering leadership. He is Chief Technology Officer at Water Ledger Global, and a photographer and gamer away from the keyboard.

Canonical URL: https://www.oadtz.com/
Last updated: 2026-10-04

## Key facts

- Name: Thanapat Pirmphol (online handle: oadtz)
- Current role: Chief Technology Officer at Water Ledger Global (2024 to present)
- Experience: 20+ years across enterprise software, aviation, insurance, data platforms, public-sector blockchain and water infrastructure
- Education: Chulalongkorn University
- Focus areas: software architecture, blockchain infrastructure, AI delivery, technical leadership, regulated systems, water markets

## Selected work

- [Water Ledger](https://www.waterledger.com): Platforms that turn water rights, status and market activity into auditable digital infrastructure.
- [TapIn](https://play.google.com/store/apps/details?id=com.waterledger.tapin): A mobile app for communities to report and monitor leaks, spills and water conditions on a live map.
- [Civic Ledger](https://www.civicledger.com/home): Secure blockchain and full-stack systems for regulated public-sector use cases.
- [Swaddee](https://swaddee.app/): A Thai Buddhist chanting app with guided audio, synchronized reading, translations and AI recommendations.
- Enterprise platforms: two decades of enterprise software, BI systems, integrations and architecture across aviation, insurance, data and consulting.

## Experience

- 2024 to present: Chief Technology Officer, Water Ledger Global
- 2022 to 2024: Senior Software / Blockchain Engineer, Civic Ledger
- 2020 to 2022: Lead Software Engineer, 4-ti Co. Ltd.
- 2020: Senior Manager, Business Transformation & IS, Aetna (a CVS Health company)
- 2019 to 2020: IT Business Consultant, Adastra Thailand
- 2002 to 2018: Engineering and application leadership at Unilode, ExxonMobil, Softscape and Progress Information

## Skills

Blockchain architecture, smart contracts, TypeScript, React, Node.js, Python, cloud platforms, DevOps, data systems, agentic AI, AI agents, LLM tool use, spec-driven AI workflows, team leadership, stakeholder translation.

## Questions and answers

### Who is Thanapat Pirmphol?

Thanapat Pirmphol, also known online as oadtz, is a CTO and software engineer with more than 20 years of experience in enterprise systems, blockchain, AI delivery and engineering leadership. He is currently Chief Technology Officer at Water Ledger Global.

### What does Thanapat Pirmphol work on?

He works on water markets and water accounting platforms, blockchain infrastructure for regulated workflows, software architecture, and agentic AI engineering workflows built on clear specifications and human review.

### Where does Thanapat Pirmphol work?

He is Chief Technology Officer at Water Ledger Global (2024 to present). Before that he was a Senior Software and Blockchain Engineer at Civic Ledger (2022 to 2024) and Lead Software Engineer at 4-ti (2020 to 2022).

### What has Thanapat Pirmphol built?

Selected work includes Water Ledger (water markets and accounting), TapIn (community water condition reporting), public-sector blockchain systems at Civic Ledger, enterprise platforms across aviation, insurance and data, and Swaddee, a Thai Buddhist chanting app with AI recommendations.

### What technologies does Thanapat Pirmphol use?

Blockchain architecture and smart contracts, TypeScript, React, Node.js, Python, cloud platforms, DevOps, data systems, AI agents and LLM tool use.

### How can I contact Thanapat Pirmphol?

The best way is LinkedIn at linkedin.com/in/thanapatpirmphol. His code is on GitHub at github.com/oadtz and his photography is on Pixabay as oadtz.

### What opportunities are relevant to Thanapat Pirmphol?

CTO and technical leadership roles, blockchain infrastructure, water and sustainability technology, regulated market platforms, agentic AI delivery, and complex software systems that need trust and adoption.

## Links

- Website: https://www.oadtz.com/
- LinkedIn: https://www.linkedin.com/in/thanapatpirmphol/
- GitHub: https://www.github.com/oadtz
- Photography (Pixabay, as oadtz): https://pixabay.com/users/oadtz-3657813/
- Water Ledger: https://www.waterledger.com/

## Contact

LinkedIn is the best way to reach him: https://www.linkedin.com/in/thanapatpirmphol/