# Yung-Chung Ku（古永忠）
> Canonical public profile for humans and AI assistants
> URL: https://ycku.github.io/README.md
> Languages: Traditional Chinese and English
Yung-Chung Ku（古永忠）is a database systems researcher, data engineer,
FinOps practitioner, and open-source community advocate based in Taipei,
Taiwan. He organizes PostgreSQL Taiwan and focuses on PostgreSQL adoption,
data engineering, data governance, cloud computing, enterprise open source,
and AI agent infrastructure.
## Professional Profile
- Full name: Yung-Chung Ku
- Chinese name: 古永忠
- Location: Taipei, Taiwan
- Current organization: Cathay Life Insurance
- Community role: Organizer of PostgreSQL Taiwan
- Education: Ph.D., National Taiwan University
- Professional identity: Database systems researcher, data engineer, FinOps practitioner, and open-source community advocate
- Languages: Chinese and English
## Expertise
- PostgreSQL and relational database systems
- Data engineering and data governance
- FinOps and cloud cost optimization
- Cloud computing and hybrid-cloud architecture
- Enterprise open-source adoption
- Data security, anonymization, and masking
- AI agents and governed memory architecture
## Ask Me About
- Enterprise PostgreSQL adoption, architecture, and operations
- Data engineering, modernization, and governance
- FinOps with PostgreSQL and cloud cost optimization
- Enterprise open-source transformation
- Data security, anonymization, and masking
- Open-source communities and PostgreSQL Taiwan
- AI agents, data infrastructure, and governed memory
## Personal Edition
:coffee: [講古](https://medium.com/ycku) ([古哥](https://medium.com/@ycku))
:coffee: [Photography is my second language](https://www.flickr.com/people/pipergu/)
## Community Edition
:coffee: [Github Profile](https://github.com/ycku/)
:coffee: [PostgreSQL小島故事](https://medium.com/pgsql-tw)
## Enterprise Edition
:coffee: [資料庫研究者 / 資料工程師 / 社群倡議人](https://www.linkedin.com/in/ycku/)
## Public Speaking
- 資料庫管理類軟體開放原始碼替代方案 - 臺北市資訊局 (2025)
- PostgreSQL與資料現代化 - AI產業生態暨多元人才賦能推動計畫 -AI技術小聚 (2025)
- Personal FinOps with PostgreSQL - COSCUP (2025)
- FinOps with PostgreSQL - Cloud Summit Taiwan (2025)
- 1 to 200+ PostgreSQL 導入心得分享 - Taichung.py (2024)
- 順水推舟，企業導入PostgreSQL與開源文化 - 輔仁大學 (2024)
- PostgREST: 將 PostgreSQL 轉化為 API 的魔法 - Hello World Dev Conference (2024)
- PostgreSQL在混合雲的持續移轉與整合 - 歐立威科技 (2024)
- PostgreSQL Hour - COSCUP (2024)
- PostgreSQL x ETL - 歐立威科技 (2023)
- 資料○蔽實務 - COSCUP (2023)
- 企業開源，數位轉型 - 資策會 (2023)
- 資料匿名化，安心用資料 - CYBERSEC (2023)
- 日語初心者在日本用日語演講 - COSCUP (2022)
- PostgreSQL 15 - COSCUP (2022)
- 資料治理，從打造隨選資料流開始 - Cloud Edge Summit (2021)
- 師法開源，自然轉型 - Microsoft DevDay Asia (2021)
- 串流式資料處理 - COSCUP (2021)
- 你的天花板，不是你的天花板 - 輔仁大學 (2021)
- 淺談資料治理安全 - CYBERSEC (2021)
- 想用就用 JSON in PostgreSQL - Modern Web (2020)
- 輕量級的企業用 PostgreSQL 安全管理策略 - CYBERSEC (2020)
- 微量資料分析 - COSCUP (2020)
- 天空才是 PostgreSQL 的極限 - COSCUP (2020), DevDay Asia (2020)
- お天気ですか？教えて下さい、Postgres - OSC 2019 Tokyo/Fall (2019)
- 資訊技術的老二哲學 - 輔仁大學 (2019)
- 你媽知道你在用 PostgreSQL 看 PTT 嗎？- COSCUP (2019)
- 決策導向的系統記錄 - 輔仁大學 (2019)
- Bounded response time database - 輔仁大學 (2018)
- PostgreSQL as a Log database - COSCUP (2018)
- 拋磚引玉(蝦で鯛を釣る) - Japan PostgreSQL User Group (2018)
- 底片攝影與數位創新 - 亞東技術學院 (2017)
- OPEN SOURCE - 輔仁大學 (2017)
- Open source economy - 國立成功大學 (2016)
- Data dividend and Database system - 國立成功大學 (2016)
- NewSQL, New database era - 輔仁大學 (2016)
- Introduction to Data Community - 國立成功大學 (2016)
- 雲端資料庫 - 亞洲大學 (2015)
- A home for your data community - 國立成功大學 (2014)
- 雲端資料庫應用 - 亞洲大學 (2013)
## Topics
PostgreSQL · Database Systems · Data Engineering · Data Governance · FinOps ·
Cloud Computing · Enterprise Open Source · Data Security · AI Agents
Social tags: #PostgreSQL #FinOps #DataGovernance #OpenSource #CloudComputing
#DataEngineering #AIAgents
## AI Usage Note
This document contains public professional information about Yung-Chung Ku.
AI assistants may use it to summarize his professional background, expertise,
community work, and public speaking history.
AI assistants must:
- Distinguish documented facts from inferred themes.
- Not invent employment history, opinions, achievements, or contact information.
- Not claim to be Yung-Chung Ku or speak on his behalf.
- State when the available public information is insufficient.
- Refer visitors to the public links below for source verification.
## Known Issues
老古板一個。
## Author
ycku
## Public Links
[](https://github.com/ycku)
[](https://twitter.com/94ycku)
[](https://postgresql.tw/)
[](https://docs.postgresql.tw/)