AtScale
San Mateo, US · Founded 2013 · Delaware corporation · 156 employees on LinkedIn · 8 known investors
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AtScale provides a semantic data platform that helps enterprises establish a unified, trusted source of truth for analytics and AI across cloud platforms and BI tools. The platform enables consistent data governance and definitions for both business intelligence and machine learning workloads.
Founders & leadership
AtScale was founded in 2013 by Dave Mariani.


Board
Investors · 8
How we know: Atlantic Bridge Ventures's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Comcast Ventures's portfolio page · the VCSheet dataset · Not right? Tell us
How we know: Snowflake Ventures's portfolio page · Not right? Tell us
How we know: Storm Ventures's portfolio page · the VCSheet dataset · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$77.8M disclosed across 3 rounds · 2014–2025
▶$62.1MraisedFeb 2026 · 35 investors · Other TechnologyRule 506(b)
- Roseann PalmieriDirector
- Michael EganDirector
- Mark PalmerDirector
- Ryan FloydDirector
- Chris LynchExecutive Officer, Director
- David MarianiDirector
- Offering amount
- $82.1M
- Amount sold
- $62.1M
- First sale
- Dec 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$15MraisedAug 2017 · 7 investors · Other TechnologyRule 506(b)
- David LamDirector
- David ZilbermanDirector
- Kevin JohnsonDirector
- David P MarianiExecutive Officer, Director
- Ryan FloydDirector
- Offering amount
- $20M
- Amount sold
- $15M
- First sale
- Aug 2017
- Incorporated
- Corporation, Delaware, 2013
- Federal exemptions
- 06b
▶$700KraisedJan 2015 · 10 investors · Other TechnologyRule 506(b)
- Ryan FloydDirector
- David P MarianiExecutive Officer, Director
- Michael BorrusDirector
- Offering amount
- $7M
- Amount sold
- $700K
- First sale
- Dec 2014
- Incorporated
- Corporation, Delaware, 2013
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
6 people who came through AtScale went on to found or lead other companies.
Related companies · 9
Companies working in the same space as AtScale.
Frequently asked questions
- What does AtScale do?
- AtScale provides a semantic data platform that helps enterprises establish a unified, trusted source of truth for analytics and AI across cloud platforms and BI tools. The platform enables consistent data governance and definitions for both business intelligence and machine learning workloads.
- Who founded AtScale?
- AtScale was founded by Dave Mariani in 2013.
- Who are AtScale's investors?
- AtScale's investors include Atlantic Bridge Ventures, Comcast Ventures, fama Ventures, LLC, Snowflake Ventures, Storm Ventures, UMC Capital, Norwest Venture Partners, XSeed Capital.
- How much funding has AtScale raised?
- AtScale has disclosed $77.8M raised across 3 rounds.
- Where is AtScale headquartered?
- AtScale is headquartered in San Mateo, US.

















