Zhou Sun
Member Of Technical Staff at Databricks
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolZhou Sun is a database systems engineer and startup founder focused on making an open data stack a reality, with deep expertise in columnstore engines, LLVM-based code generation, and high-performance query execution. He led query engine development at SingleStore (formerly MemSQL), owning everything from storage engines to query compilation and database extensions, and later co-founded Mooncake Labs to build a lakehouse experience "you won't hate." Based in San Francisco, he now works at Databricks connecting Lakebase and Lakehouse technologies and exploring the space between OLTP and OLAP. Known for blending low-level performance engineering with product thinking, he brings entrepreneurial grit to platform-scale problems. An early Amazon intern and University of Michigan CS graduate, he combines research-grade systems skills with hands-on delivery in production distributed databases.
2 years of coding experience
10 years of employment as a software developer
Bachelor of Science (BS) Computer Science, Bachelor of Science (BS) Computer Science at Univesity of Michigan
Chinese
Github Skills (24)
postgresql9
parquet9
analytical8
analytics8
benchmark8
delta-lake7
databases7
delta7
sql6
pandas-dataframe6
database5
big-data5
python5
databricks4
ruby4
Programming languages (4)
Github contributions (5)
zhousun/ClickBench
Jan 2025 - Jan 2025
ClickBench: a Benchmark For Analytical Databases
Contributions:7 pushes in 4 days
Mooncake-Labs/pg_mooncake
Oct 2024 - Mar 2025
Columnstore Table in Postgres
Contributions:4 reviews, 9 PRs, 32 pushes in 5 months
analyticscolumnstoredelta-lakeiceberglakehouse
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