# Xiaodan Zhuang

> Xiaodan Zhuang, who also goes by Dennis, is the co-founder and CEO of Greptime, a company building GreptimeDB, an open-source observability database written in Rust that unifies metrics, logs, and traces. Before starting Greptime in 2022, he spent roughly 18 years in software infrastructure, including leading the intelligent monitoring team at Ant Group where he built ultra-large-scale time-series platforms for AIOps, plus earlier stints at Taobao/Alibaba and LeanCloud. He is a long-time open-source contributor (GitHub handle killme2008) behind projects like Aviator and xmemcached, and a self-described car enthusiast who races on tracks.

- **Role:** Co-founder & CEO at Greptime
- **Organizations:** Greptime, Ant Group, Alibaba, Taobao, LeanCloud
- **Nationality:** Chinese
- **Education:** Environmental Science, Fuzhou University
- **Known for:** Co-founded and leads Greptime, the company behind the open-source observability database GreptimeDB, Led GreptimeDB to #1 on GitHub Global Trending shortly after its open-source launch, Built an ultra-large-scale time-series data platform for AIOps at Ant Group

## Career timeline

- **2006** — Began career in software development, working on middleware and infrastructure at Taobao/Alibaba
- **2006-2012** — Worked on middleware at Taobao; open-sourced MetaQ, a messaging system that was a predecessor to RocketMQ
- **2013-2016** — Joined LeanCloud, responsible for BaaS/SaaS backend architecture
- **2017-2022** — Senior staff engineer (P9) at Ant Group, leading the intelligent monitoring team and building an ultra-large-scale time-series data platform for AIOps
- **2022** — Co-founded Greptime and became CEO; company established in April 2022
- **2022-11** — Open-sourced GreptimeDB on GitHub; project hit #1 on GitHub Global Trending; completed multi-million dollar angel round led by Glory Ventures with Unity Ventures
- **2024-08** — Greptime raised a Series A funding round

## Achievements

- Co-founded and leads Greptime, the company behind the open-source observability database GreptimeDB
- Led GreptimeDB to #1 on GitHub Global Trending shortly after its open-source launch
- Built an ultra-large-scale time-series data platform for AIOps at Ant Group
- Long-time open-source author of projects including Aviator (a high-performance Java expression evaluator), xmemcached, and MetaQ (a RocketMQ predecessor)
- Grew a contributor community for GreptimeDB spanning more than 10 countries

## Latest updates

- **2024-08** — Greptime raised a Series A round to expand its observability database platform.
- **2025-12** — Zhuang publicly discussed Greptime's edge-cloud integrated solution and how GreptimeDB is being positioned for AI agents and real-time observability.

## Links

- Website: https://blog.fnil.net/
- LinkedIn: https://www.linkedin.com/in/dennis-zhuang/
- Twitter/X: https://x.com/killme20082
- GitHub: https://github.com/killme2008

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Profile page: https://yespress.io/xiaodan-zhuang
Published by YesPress — https://yespress.io
Last updated: 2026-07-22