Samasource Impact Sourcing Inc.
San Francisco, US · Founded 2018 · Delaware corporation · 4,346 employees on LinkedIn · 5 known investors
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Sama provides human-verified data annotation, validation, and evaluation services for computer vision, NLP, and multimodal AI, combining automation with expert human labeling. It serves AI and machine learning teams building models for production, and operates as a Certified B Corporation focused on fair-wage employment.
Founders & leadership
Samasource Impact Sourcing Inc. was founded in 2018 by Leila Chirayath and Leila Janah.



Investors · 5
How we know: Fujitsu Ventures's portfolio page · Not right? Tell us
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Reported raises · per SEC filings
Form D private placements$71.1M disclosed across 2 rounds · 2019–2021
▶$63.9MraisedNov 2021 · 9 investors · Other TechnologyRule 506(b)
- Johann Schleier-SmithDirector
- Colby MoosmanExecutive Officer
- Jean Wisch (Wils) TheageneDirector
- Brendan BakerDirector
- Wendy GonzalezExecutive Officer, Director
- Offering amount
- $70.4M
- Amount sold
- $63.9M
- First sale
- Oct 2021
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
▶$7.1MraisedNov 2019 · 4 investors · Other TechnologyRule 506(b)
- Leila ChirayathExecutive Officer, Director
- Benjamin MetcalfeDirector
- Johann Schleier-SmithDirector
- Wendy GonzalezExecutive Officer
- Offering amount
- $7.8M
- Amount sold
- $7.1M
- First sale
- Nov 2019
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does Samasource Impact Sourcing Inc. do?
- Sama provides human-verified data annotation, validation, and evaluation services for computer vision, NLP, and multimodal AI, combining automation with expert human labeling. It serves AI and machine learning teams building models for production, and operates as a Certified B Corporation focused on fair-wage employment.
- Who founded Samasource Impact Sourcing Inc.?
- Samasource Impact Sourcing Inc. was founded by Leila Chirayath, Leila Janah in 2018.
- Who are Samasource Impact Sourcing Inc.'s investors?
- Samasource Impact Sourcing Inc.'s investors include Fujitsu Ventures, Episode1, First Ascent Ventures, Salesforce Ventures, Vistara Growth.
- How much funding has Samasource Impact Sourcing Inc. raised?
- Samasource Impact Sourcing Inc. has disclosed $71.1M raised across 2 rounds.
- Where is Samasource Impact Sourcing Inc. headquartered?
- Samasource Impact Sourcing Inc. is headquartered in San Francisco, US.











