Investing in early-stage data infrastructure, AI, and ML companies.

Accelerating the growth of the Composable Data Stack

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AI
Analytics
Data

Portfolio

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Next-generation Python tooling (Ruff, uv, and more)
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AI / ML Infrastructure powered by the Ray project
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Serverless Lakehouse Platform
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Apache Arrow-powered Lakehouse Platform
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Next-generation Containerized CI/CD
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Collaborative Data Science and Analytics Platform
with Activation Fund
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Open Source Vector Database for Multi-model AI
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DuckDB-powered Serverless Data Warehouse
with Zero Prime Ventures
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Serverless PostgreSQL
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LLM-powered Data Analysis Copilot
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Automated Kubernetes Optimization and Management Platform
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Next-Generation Data Frames implemented in Rust
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Founder

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General Partner Wes McKinney is an entrepreneur and open source software developer. He co-founded Voltron Data, Ursa Labs, and DataPad, and made over 20 private investments prior to creating Composed Ventures. He created the Python pandas and Ibis projects and wrote the popular reference book Python for Data Analysis.

Contact at info@composed.vc