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Joseph Mando

Speaker

Joseph Mando

1

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Lead Analytics Engineer Wikimedia Foundation

Based in Chicago, Illinois, Joseph is an analytics engineer at the Wikimedia Foundation. When not building models and dashboards, Joseph is likely at the gym, working on his golf swing, or hanging out at his favorite local wine bar.

Bio from: dbt Coalesce 2025

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Talks & appearances

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Below the tip of the Iceberg: How Wikimedia reduced reporting latency 10x using dbt and Iceberg

Below the tip of the Iceberg: How Wikimedia reduced reporting latency 10x using dbt and Iceberg

2025-10-15 · dbt Coalesce 2025 Watch
talk
with Avishua Stein (Wikimedia Foundation (Wikipedia)) , Joseph Mando (Wikimedia Foundation)
Data Lake dbt Iceberg

Learn how the Wikimedia Foundation implemented an on-prem, open source data lake to fund Wikipedia and the future of open knowledge. We'll discuss data architecture including challenges integrating open source tools, learnings from our implementation, how we achieved a 10x decrease in query run times, and more.