Paul Flanagan
Managing Director @ Sigma Partners
Boston, United States
Paul Flanagan is a Series C investor at Sigma Partners in Boston focused on Software and Advertising. Paul is the President & CEO at Nasuni.
- Total investments:
- 19
- Last investment:
- Lead investor:
- 11%
Last updated:
For AI agents: llms.txt
Industries Paul Flanagan invests in
SoftwareAdvertisingContent CreatorsEnterprise SoftwareSaaS
Stages Paul Flanagan invests in
Series CSeries ESeries BSeries DFunding Round
Countries Paul Flanagan invests in
United States
Investment Focus
Industry
- Software 4 (21%)
- Advertising 2 (11%)
- Content Creators 2 (11%)
- Enterprise Software 2 (11%)
- SaaS 1 (5%)
Stage
- Series C 4 (21%)
- Series E 3 (16%)
- Series B 2 (11%)
- Series D 2 (11%)
- Funding Round 2 (11%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
NS1
|
NS1 is an internet company that provides accurate control over application delivery that values interaction with customers. They build the world’s most intelligent DNS and traffic management technologies, enabling their customers to take unparalleled control over their traffic and infrastructure as conditions change in application environments andacross the global network.They're relentlessly focused on helping their customers succeed in their digital transformation initiatives. Their platform is 100% API driven and DevOps is in their DNA. Through native integrations with leading DevOps tools and vendors, NS1 is removing the barriers to full infrastructure automation.NS1's comprehensive platform technology leverages infrastructure, application, and network data to make intelligent routing decisions in real-time, ensuring optimal application performance and reliability. The company's platform is delivered through its world-class Managed DNS Network for customers including Imgur, MaxCDN, DropBox, SalesForce, and many more. | $33M / Series C / Oct 03, 2019 | |
Ceros
|
Ceros is a cloud-based experiential content creation platform that empowers marketers and designers to create rich, interactive content without code or traditional web development. | $14M / Series C / Feb 28, 2019 | |
Nasuni
|
Nasuni enables organizations to store, protect, synchronize and collaborate on files across all locations at scale. Nasuni Cloud File Services™, powered by the Nasuni UniFS® global file system, leverages cloud storage to modernize primary NAS and file server storage; archiving; backup; and disaster recovery, while offering transformational newcapabilities for multi-site file sharing. By combining the low cost, unlimited capacity, and durability of object storage from leading cloud vendors such as Amazon, Azure, Dell EMC, and IBM, with the high performance, security, and broad application compatibility of traditional file storage, the Nasuni subscription service improves workforce productivity, simplifies IT operations, and reduces IT costs. The world’s largest companies in 12 industry sectors rely on Nasuni to maximize the business value of their file data and ensure business continuity. | $25M / Feb 19, 2019 | |
|
NS1
|
NS1 is an internet company that provides accurate control over application delivery that values interaction with customers. They build the world’s most intelligent DNS and traffic management technologies, enabling their customers to take unparalleled control over their traffic and infrastructure as conditions change in application environments andacross the global network.They're relentlessly focused on helping their customers succeed in their digital transformation initiatives. Their platform is 100% API driven and DevOps is in their DNA. Through native integrations with leading DevOps tools and vendors, NS1 is removing the barriers to full infrastructure automation.NS1's comprehensive platform technology leverages infrastructure, application, and network data to make intelligent routing decisions in real-time, ensuring optimal application performance and reliability. The company's platform is delivered through its world-class Managed DNS Network for customers including Imgur, MaxCDN, DropBox, SalesForce, and many more. | $20M / Sep 07, 2017 | |
Rethink Robotics
|
Rethink Robotics helps manufacturers meet the challenges of an agile economy with an integrated workforce, combining trainable, safe and cost-effective robots with skilled labor. Its Baxter robot, driven by Intera, an advanced software platform, gives world-class manufacturers and distributors in automotive, plastics, consumer goods, electronicsand more, a workforce multiplier that optimizes labor. With Rethink Robotics, manufacturers increase flexibility, lower costs and can invest in skilled labor—all advantages in fueling continuous innovation and sustainable competitive advantage. Committed to accelerating robotics innovation in manufacturing and beyond, Rethink Robotics’ Baxter Research Robot gives academic and corporate research environments a humanoid robot platform with integrated sensors and an open software development kit for creating custom applications. Based in Boston, Massachusetts, the company is funded by Bezos Expeditions, Charles River Ventures, Highland Capital Partners, Sigma Partners, Draper Fisher Jurvetson, and Two Sigma Ventures. | $18M / Series E / Jan 05, 2017 | |
|
Rethink Robotics
|
Rethink Robotics helps manufacturers meet the challenges of an agile economy with an integrated workforce, combining trainable, safe and cost-effective robots with skilled labor. Its Baxter robot, driven by Intera, an advanced software platform, gives world-class manufacturers and distributors in automotive, plastics, consumer goods, electronicsand more, a workforce multiplier that optimizes labor. With Rethink Robotics, manufacturers increase flexibility, lower costs and can invest in skilled labor—all advantages in fueling continuous innovation and sustainable competitive advantage. Committed to accelerating robotics innovation in manufacturing and beyond, Rethink Robotics’ Baxter Research Robot gives academic and corporate research environments a humanoid robot platform with integrated sensors and an open software development kit for creating custom applications. Based in Boston, Massachusetts, the company is funded by Bezos Expeditions, Charles River Ventures, Highland Capital Partners, Sigma Partners, Draper Fisher Jurvetson, and Two Sigma Ventures. | $18M / Series E / Jan 05, 2017 | |
|
Nasuni
|
Nasuni enables organizations to store, protect, synchronize and collaborate on files across all locations at scale. Nasuni Cloud File Services™, powered by the Nasuni UniFS® global file system, leverages cloud storage to modernize primary NAS and file server storage; archiving; backup; and disaster recovery, while offering transformational newcapabilities for multi-site file sharing. By combining the low cost, unlimited capacity, and durability of object storage from leading cloud vendors such as Amazon, Azure, Dell EMC, and IBM, with the high performance, security, and broad application compatibility of traditional file storage, the Nasuni subscription service improves workforce productivity, simplifies IT operations, and reduces IT costs. The world’s largest companies in 12 industry sectors rely on Nasuni to maximize the business value of their file data and ensure business continuity. | $17.5M / Series E / Dec 13, 2016 | |
|
Nasuni
|
Nasuni enables organizations to store, protect, synchronize and collaborate on files across all locations at scale. Nasuni Cloud File Services™, powered by the Nasuni UniFS® global file system, leverages cloud storage to modernize primary NAS and file server storage; archiving; backup; and disaster recovery, while offering transformational newcapabilities for multi-site file sharing. By combining the low cost, unlimited capacity, and durability of object storage from leading cloud vendors such as Amazon, Azure, Dell EMC, and IBM, with the high performance, security, and broad application compatibility of traditional file storage, the Nasuni subscription service improves workforce productivity, simplifies IT operations, and reduces IT costs. The world’s largest companies in 12 industry sectors rely on Nasuni to maximize the business value of their file data and ensure business continuity. | $17.5M / Series E / Dec 13, 2016 | |
Contently
|
Contently is a technology company that helps enterprise companies create results-driven content by providing them with smart technology, vetted creative talent, and proven expertise. Its mission is to build a better media world, for creatives who live to tell stories and tell stories to live, for businesses that want better ways to connect withconsumers, and for everyday people who rely on stories to understand the world better. | $7M / Series C / Nov 02, 2016 | |
|
NS1
|
NS1 is an internet company that provides accurate control over application delivery that values interaction with customers. They build the world’s most intelligent DNS and traffic management technologies, enabling their customers to take unparalleled control over their traffic and infrastructure as conditions change in application environments andacross the global network.They're relentlessly focused on helping their customers succeed in their digital transformation initiatives. Their platform is 100% API driven and DevOps is in their DNA. Through native integrations with leading DevOps tools and vendors, NS1 is removing the barriers to full infrastructure automation.NS1's comprehensive platform technology leverages infrastructure, application, and network data to make intelligent routing decisions in real-time, ensuring optimal application performance and reliability. The company's platform is delivered through its world-class Managed DNS Network for customers including Imgur, MaxCDN, DropBox, SalesForce, and many more. | $20M / Series B / Sep 27, 2016 | |
| See all 19 investments → | |||
Co-Investors
About Sigma Partners
Sigma Partners is a venture capital firm, founded in 1984, that has invested in over a hundred early stage companies and has over $2 billion under management. In 2007, it raised $500 million for its most recent fund, named Sigma Partners 8.
Sigma Partners Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Clifford Haas
Managing Director
|
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Gardner C. Hendrie
Partner
|
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Lawrence G. Finch
Managing Director
|
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Wade Woodson
Managing Director
|
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Fahri Diner
Managing Director
|
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FAQ
What does Paul Flanagan invest in?
Paul Flanagan invests primarily in Software, Advertising and Content Creators startups, most often at Series C and Series E stage. Most of the 19 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
When did Paul Flanagan last invest?
The most recent investment recorded for Paul Flanagan closed in Oct 2019. Shizune tracks 19 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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