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OmniSci

OmniSci (formerly MapD) was a San Francisco GPU-accelerated analytics and database company founded in 2013 by Todd Mostak out of his Harvard research. Its platform used graphics processors to query and visualize massive datasets in real time. The company rebranded from MapD to OmniSci in 2018 and again to HEAVY.AI in 2022.

Acquired — Renamed HEAVY.AI in 2021 (from OmniSci, and MapD before that) and acquired by Nvidia in 2025. heavy.ai no longer resolves.

DataSan FranciscoFounded 2013en.wikipedia.org

The people

What they build

OmniSci / HeavyDBGPU-accelerated SQL database and analytics/visualization platform for large-scale, real-time data.

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Working at OmniSci

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On the TechVancouver stage

Every talk is searchable — ask the archive about OmniSci

About

MapD was founded in 2013 by Todd Mostak, commercializing GPU-database research from Harvard and MIT. Renamed OmniSci in 2018, it built a GPU-accelerated SQL engine and visualization platform for large-scale, real-time analytics. At TechVancouver in January 2019, VP of Engineering David Besemer said the San Francisco company was exploring opening a Vancouver engineering office. The company rebranded to HEAVY.AI in 2022.

Backers

New Enterprise Associates, GV, Vanedge Capital, Verizon Ventures

Some figures are founder-stated, not independently confirmed

Quick answers

What does OmniSci do?

OmniSci (now HEAVY.AI) makes a GPU-accelerated analytics database and visualization platform for querying massive datasets in real time.

Who founded OmniSci?

It was founded in 2013 as MapD by Todd Mostak; it became OmniSci in 2018 and HEAVY.AI in 2022.

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Maintained by TechTO · facts sourced and dated · last reviewed Jul 21, 2026