How Much Did Snorkel AI Raise? Headquarters, Funding & Key Investors

Snorkel AI, founded in 2015, has raised $238M in funding, including Series D ($Not Disclosed, Aug 2025), Series C ($85M, Aug 2021), Series B ($35M, Apr 2021), Series A ($12M, Jul 2020), and seed rounds ($3.3M, Jul 2020). Headquartered in Palo Alto, United States, the company provides programmatic AI data labeling and development solutions through its flagship product, Snorkel Flow. With a team of 101–250 employees, Snorkel AI is backed by investors including BlackRock, Lightspeed Venture Partners, Greylock, GV, and QBE Ventures, enabling enterprises to efficiently accelerate AI development and automate data preparation across various industries.

How Much Did Snorkel AI Raise? Funding & Key Investors

Snorkel AI, founded in 2015 by Alexander Ratner, Braden Hancock, Chris Re, Henry Ehrenberg, Manas Joglekar, Paroma Varma, and Vincent Sunn Chen, is a Palo Alto-based AI platform focused on programmatic data development. It allows enterprises to build AI-ready datasets by programmatically labeling, curating, and slicing large amounts of data. The company’s Snorkel Flow product captures domain expertise and automates manual tasks, reducing development time while improving model accuracy.

What Is Snorkel AI and What Does It Do?

Snorkel AI, founded in 2015 by Alexander Ratner, Braden Hancock, Chris Re, Henry Ehrenberg, Manas Joglekar, Paroma Varma, and Vincent Sunn Chen, is a Palo Alto-based (United States) programmatic AI data development platform.

With a workforce of 101-250 employees, Snorkel AI enables enterprises to automate data labeling, curation, and slicing using its Snorkel Flow platform.

The company leverages weak supervision and AI-assisted workflows to accelerate development, improve model accuracy, and deploy production-grade AI applications efficiently across multiple industries.

How Much Funding Has Snorkel AI Raised?

*Seed Round* • Amount Raised: $3.3M
• Date: July 2020
• Lead Investors: GV (Google Ventures), Greylock
• Motivation: To develop the initial version of Snorkel Flow and validate the market need for programmatic data labeling.\
*Series A* • Amount Raised: $12M
• Date: July 2020
• Lead Investors: Greylock
• Motivation: To scale the engineering team and accelerate product development for Snorkel Flow.\
*Series B* • Amount Raised: $35M
• Date: April 2021
• Lead Investors: Lightspeed Venture Partners
• Motivation: To expand the go-to-market team and enhance the platform's capabilities.\
*Series C* • Amount Raised: $85M
• Date: August 2021
• Lead Investors: Addition, BlackRock
• Valuation at Round: $1B
• Motivation: To scale the engineering and go-to-market teams, and drive further innovation and adoption of Snorkel Flow.

Total Funding Raised: $238 Million

Current Valuation: $1.3 Billion (as of May 2025)

Latest Funding Date: August 2025

Key Investors

*Lightspeed Venture Partners* • Details: Multi-stage venture capital firm focused on disruptive innovations in Enterprise and Consumer sectors.
• Investment Focus Areas: Enterprise, Consumer, Health sectors.
• Notable Investments: Snap, Affirm, MuleSoft.\
*BlackRock* • Details: Global investment management corporation providing investment and technology services worldwide.
• Investment Focus Areas: Technology, AI, Financial services.
• Notable Investments: Apple, Microsoft, Google.\
*Greylock* • Details: Venture capital firm backing early-stage technology companies.
• Investment Focus Areas: Consumer software, Enterprise software.
• Notable Investments: Facebook, LinkedIn, Airbnb.\
*GV (formerly Google Ventures)* • Details: Venture capital arm of Alphabet investing across technology and life sciences.
• Investment Focus Areas: Technology, Life sciences, Frontier technology.
• Notable Investments: Uber, Slack, Nest.

Where Is Snorkel AI’s Headquarters?

Snorkel AI is headquartered in Palo Alto, California, offering access to Silicon Valley’s AI talent pool, research ecosystem, and proximity to major enterprise clients across industries.

What’s Next for Snorkel AI?

Snorkel AI is poised for rapid expansion as demand for data-centric AI solutions continues to grow. Its Snorkel Flow platform aims to transform AI development across various industries, including banking, telecom, and biotech. By reducing development time and improving model accuracy, Snorkel AI is poised to capture a significant share of the enterprise AI market, targeting Fortune 50 companies, government agencies, and organizations seeking scalable, programmatic AI solutions.

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