About Otter.ai
Otter.ai is a Technology company based in Los Altos (United States) founded in 2016 by Eli Calderon Morin, Yun Fu, and Sam Liang. AI-based voice transcription for meetings is provided via cloud software. Otter.ai has raised $390 million across 4 funding rounds from investors including Duke University, Bridgewater Associates and Spectrum Equity. Its chief executive, as recorded, is Sam Liang. Its website otter.ai draws about 7.2 million monthly visits. Otter.ai offers products and services including Otter Meeting Agent, AI Chat, and Transcription Service. Its focus areas include Enterprise Applications, Enterprise Collaboration, Meeting Collaboration and Meeting Assistant.
Company details
Otter is a provider of cloud and AI-based voice transcription software for meetings. It enables users to click on the microphone icon to begin a recording and generate live, raw transcripts of speech converted to text. The artificial intelligence then groups recordings, saves recorded messages, recognizes voices for future use, and shares these transcripts to absentees. It has been featured in Forbes. Its clients include UCLA and Columbia University.
- Total Equity Funding$390M (USD)
in 4 rounds
- Latest Funding Round$320M (USD), Series C
Oct 2026
- InvestorsDuke University
& 12 more
Products & Services of Otter.ai
Otter.ai offers a comprehensive portfolio of products and services, including Otter Meeting Agent, AI Chat, and Transcription Service.
Automates meeting notes, transcripts, and action items generation
Creates emails and updates from meeting data using AI
Converts spoken meetings into text for easy reference
Apps and channels of Otter.ai
Otter.ai publishes 2 mobile apps with over 1M+ downloads.
Funding Insights of Otter.ai
Otter.ai has successfully raised a total of $390M across 4 strategic funding rounds. The most recent funding activity was a Series C round of $320 million completed in October 2026. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $390M
- Total Rounds 4
- Last Round Series C — $320M
- First Round $10M
(Nov 2017)
- Investors Count 13
All 4 funding rounds of Otter.ai with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Oct 2026 | $320M | Series C | – | – | |
| Feb 2021 | $50M | Series B | – | Spectrum Equity | |
| Jan 2020 | $10M | Series A | – | Ntt Docomo Ventures | |
| Nov 2017 | $10M | Series A | – | Horizons Ventures |
13 investors in total: 13 institutional.
Investors in Otter.ai
Otter.ai has secured backing from 13 investors, including venture fund and institutional investors. Prominent investors backing the company include Duke University, Bridgewater Associates and Spectrum Equity.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Growth equity investments and partnerships in finance and related sectors. | spectrumequity.com | |||
Horizons Ventures is focused on investing in deep science and technology. | horizonsventures.com | Hong Kong, China | ||
Early-stage technology companies receive venture capital investments. | draper.vc | San Mateo, United States | ||
Venture capital is invested in cybersecurity, fintech, and AI startups. | ggvc.com | Menlo Park, United States | ||
Early-stage centric VC firm funding companies in the US and China | draperdragon.com | Shanghai, China | ||
Investment in early-stage startups focusing on healthcare, AI, and industrial technology. | fusionfund.com | |||
Early-stage tech investments are made primarily in US companies. | slow.co | New York, United States | ||
NTT Group backed venture capital fund | nttdocomo-v.com | Minato, Japan | ||
Venture capital and acceleration are provided to tech startups. | 500.co | Ho Chi Minh City, Vietnam | ||
| generalcatalyst.com |
Investor details for Otter.ai
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
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People of Otter.ai
86 people are tracked at Otter.ai (21 in leadership, 1 in board & advisors, 64 in team).
| Name | Role | Group |
|---|---|---|
Eli Calderon Morin | Co-Founder | Leadership |
Yun Fu | Co-Founder & CTO | Leadership |
Sam Liang | Co-Founder & CEO | Leadership |
Harrison Wong | VP of Engineering | Leadership |
Kaisuke Nakajima | Director of Engineering | Leadership |
kean chin | Director of speech Engineering | Leadership |
Wen Sun | Director Of Engineering | Leadership |
Richard Ward | Chief Design Officer | Leadership |
Ittai Barzilay | Director Of Product Management | Leadership |
Will Caine | Chief of Staff | Leadership |
Zaw Lin Hteik | Head of Growth Acquisition and Demand Generation | Leadership |
Darius Contractor | Chief Growth Officer | Leadership |
Tao Xing | Director Of Engineering | Leadership |
Huajun Zeng | Director of Engineering | Leadership |
Treena Diebolt | Vice President, People | Leadership |
Dustin Crawford | Vice President Of Sales | Leadership |
Robert Firebaugh | Director of Product Design & User Research | Leadership |
Richard Tasker | Director of Product Management | Leadership |
Dmitriy Genzel | Director Of Engineering | Leadership |
Elizabeth S. | Head Of Customer Success | Leadership |
66 more people are available in the full profile.
Complete people profiles for Otter.ai
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
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Timeline of Otter.ai
3 dated milestones of Otter.ai across 10 years, from founding to its latest funding, stage changes and deals.
- Founded Otter.ai is founded.
- Funding First funding round of $10.0M.
- Funding Latest funding round, Series C, of $320.0M.
Web traffic of Otter.ai
The website of Otter.ai (otter.ai) receives about 7.2M visits a month and ranks #8,121 among all websites worldwide, #1,132 in Computers Electronics and Technology.
- Monthly visits7.2M
▲ 15.6% vs previous month
- Unique visitors2M
per month
- Global rank#8,121
among all websites
- Category rank#1,132
Computers Electronics and Technology · Computers Electronics and Technology
- Bounce rate32%
- Pages per visit5.2
- Average visit4 min 22 sec
- DevicesDesktop 84% · Mobile 16%
Websites whose visitors overlap most with Otter.ai. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| descript.com | 100% | 3.5M | #13,830 | View details | |
| fireflies.ai | 96% | 4.4M | #14,624 | View details | |
| riverside.fm | 96% | 162.9K | #31,844 | View details | |
| zoom.us | 93% | 563.4M | #82 | View details | |
| calendly.com | 90% | 40.1M | #1,297 | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 40 similar websites and full traffic analytics for Otter.ai
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 40 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Top companies in Enterprise Collaboration & Video Tools
3 companies that operate in the same segment as Otter.ai (Enterprise Collaboration & Video Tools) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud-based team communication and collaboration platform is provided. | 2009 | San Francisco, California, United States | USD 1.22 B | 2,555 | ||
Collaborative platform for design prototyping and feedback is provided. | 2012 | San Francisco, California, United States | USD 748.62 M | 2,877 | ||
AI-based platform for secure collaboration and content management is utilized. | 2005 | Redwood City, California, United States | USD 692.63 M | USD 1.18 B | 4,447 |
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Related news about Otter.Ai
Complete news archive for Otter.ai
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Frequently Asked Questions about Otter.ai
Otter.ai was founded in 2016 and raised its 1st funding round 1 year after it was founded.
Otter.ai is headquartered in Los Altos, United States. It is registered at Los Altos, California, United States.
Sam Liang is the CEO of Otter.ai, as recorded in our data. They have also founded this company.
Otter.ai is a funded company, having raised a total of $390M across 4 funding rounds to date. The company's 1st funding round was a Series A of $10M, raised on Nov 2017.
Otter is a provider of cloud and AI-based voice transcription software for meetings. It enables users to click on the microphone icon to begin a recording and generate live, raw transcripts of speech converted to text. The artificial intelligence then groups recordings, saves recorded messages, recognizes voices for future use, and shares these transcripts to absentees. It has been featured in Forbes. Its clients include UCLA and Columbia University.
Otter.ai offers Otter Meeting Agent, AI Chat, and Transcription Service.
Otter.ai has 13 investors. Key investors include Duke University, Bridgewater Associates, Spectrum Equity, Horizons Ventures, and Draper Associates.
Yes. Otter.ai publishes OtterAI Transcribe Voice Notes and 1 more app, with over 1 million downloads.
The website of Otter.ai receives about 7.2 million visits a month and ranks #8,121 among all websites worldwide.