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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Apache Arrow-accelerated Data Connectivity
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Serverless PostgreSQL
Acquired by Databricks
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Cloud Storage Platform powered by Apache Iceberg
Acquired by Databricks
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Open Source Vector Database for Multi-model AI
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Serverless Lakehouse Platform
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Open Source Supply Chain Security
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Next-generation Python tooling (Ruff, uv, and more)
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Next-Generation Data Frames implemented in Rust
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High Performance Rust- and Apache Arrow-Powered Spreadsheet
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AI / ML Infrastructure powered by the Ray project
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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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DuckDB-powered Serverless Data Warehouse
with Zero Prime Ventures
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LLM-powered Data Analysis Copilot
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Automated Kubernetes Optimization and Management Platform
Acquired by DoIT
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Lightning-fast Operational Dashboards with Instant UX
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Next-generation Spreadsheet with Python, SQL, and AI
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Query Engineering Platform for Data Warehouses. Co-creator of Substrait.
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Real-time data integration powered by Rust and Apache Arrow.
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Next-Generation Data Processing Platform (Stealth)
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Multi-cloud MLOps Platform powered by Flyte and Kubernetes
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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