Voltron Data

Voltron Data is an early-stage company accelerating standards in data analytics and the largest corporate contributor to Apache Arrow.

Voltron Data is focused on making the data science ecosystem more efficient with modular and composable analytics building blocks.

Voltron was founded in 2021 by Josh Patterson, Wes McKinney, Rodrigo Aramburú, and Darren Haas. The company is headquartered in Mountain View, California.


Voltron Data is bringing together the world’s leading experts to develop open source standards for data, unlocking the untapped potential in the data analytics ecosystem.


Voltron Data is one of the most significant contributors to Apache Arrow. Arrow is a multi-language toolbox for accelerated data interchange and in-memory computing.


The Apache Arrow has been adopted globally by companies including AWS, Databricks, Google, Meta, Microsoft, Netflix and Snowflake to accelerate data access and analytical processing.


Voltron Data is backed by Walden Catalyst, BlackRock, Anthos Capital, Battery, Coatue, GV, Lightspeed Venture Partners, Nepenthe Capital, Redline and The Factory. The company was launched with $110M ($22M in Seed and $88M in Series A round) in new financing on Feb 17, 2022.



  • Year founded: 2021
  • Funding Info: $110M over 2 Rounds (Latest Funding Type: Series A)
  • Yearly Revenue: NA
  • Employee Size: 51-200
  • Business Valuation: NA
  • City/Town: Mountain View
  • State: California
  • Country: United States
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