John Mandile
Managing Director @ Sigma Partners
Boston, United States
John Mandile is a Series B investor at Sigma Partners in Boston focused on Software and Enterprise Software. John Mandile is the Founding Partner at Social Ventures.
- Total investments:
- 22
- Last investment:
- Lead investor:
- 23%
Last updated:
For AI agents: llms.txt
Industries John Mandile invests in
Stages John Mandile invests in
Countries John Mandile invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 5 (23%)
- Enterprise Software 5 (23%)
- SaaS 3 (14%)
- Big Data 2 (9%)
- Computer 2 (9%)
Stage
- Series B 5 (23%)
- Series A 3 (14%)
- Series C 2 (9%)
- Series D 2 (9%)
- Series E 2 (9%)
Country
- United States 8 (36%)
- Canada 1 (5%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| VoltDB's in-memory SQL database combines streaming analytics with transaction processing in a single, horizontal scale-out platform. Customers use VoltDB to build applications that process streaming data the instant it arrives to make immediate, per-event, context-aware decisions. By delivering real-time in-transaction analytics that alwaysproduces correct results, VoltDB enables businesses to capture the economic value and develop new revenue opportunities in the mobile, financial services, IoT, energy, advertising, and security industries. The company is privately held with offices in Bedford, Massachusetts, and Santa Clara, California. | $9.8M / Venture - Series Unknown / Jul 22, 2015 | ||
| Founded in 2003, Oversight Systems, Inc. is a privately-held, Atlanta-based software company whose continuous transaction monitoring solutions help Fortune 500 companies in a variety of industries solve problems related to governance, risk and compliance. Around the time that people first put their whole music library in their pockets, and justbefore we could all pause and record live TV, we started using data to help our clients detect patterns of spend errors and misuse.Over the last two decades, we’ve pioneered and led the industry in artificial intelligence, comprehensive data-driven solutions, and quality delivery. Oversight is AI in Action: Oversight is anchored by a team of professionals who have helped to commercialize network and operating system security; who have secured the largest financial networks in the world; and who have helped to audit some of the most sensitive and mission-critical applications in the world. The Oversight team has revolutionized the way Management, Boards, Auditors, and Shareholders approach ongoing regulatory compliance and the underlying costs and benefits. | Series C / Jun 16, 2015 | ||
| HubLogix is a SaaS based solution that empowers online retailers to automate logistics process throughout the order lifecycle. We work with some of the the leading commerce platforms (e.g. Channel Advisor, Magento, Shopify, Amazon, etc.) and a growing eco-system of third party logistics providers and distributors to make sure orders go from cart todoorstep as efficiently as possibly. | $3.5M / Series A / Mar 27, 2015 | ||
| HubLogix is a SaaS based solution that empowers online retailers to automate logistics process throughout the order lifecycle. We work with some of the the leading commerce platforms (e.g. Channel Advisor, Magento, Shopify, Amazon, etc.) and a growing eco-system of third party logistics providers and distributors to make sure orders go from cart todoorstep as efficiently as possibly. | Convertible Note / Dec 24, 2014 | ||
| Acquia provides a cloud platform for building that delivering and optimizes digital experiences. With Acquia, organizations around the world including BBC, Nasdaq, Stanford University, and the Australian Government accelerate time to market and drive customer engagement through cross-channel, contextually relevant, and high-impact digitalexperiences.The company was founded in 2007 and is headquartered in Boston, Massachusetts. | $50M / Series F / May 27, 2014 | ||
| As the experts in advanced threat protection, Damballa discovers active threats that bypass all security prevention layers. Damballa automatically identifies successful infections and pinpoints devices that represent the highest risk to a business. Our patent-pending solutions combine principles of data science and machine learning to discoverthreats without prior knowledge of them and regardless of device type, OS and threat vector. Damballa protects nearly a billion endpoints globally at enterprises in every major market and for the world’s largest ISP and telecommunications providers. For more information, visit www.damballa.com, or follow us on Twitter @DamballaInc.Watch an analyst interview with Brian Foster, CTO until June, 2015 , here: https://vimeo.com/129326008 | $13M / Series E / Apr 22, 2014 | ||
| VoltDB's in-memory SQL database combines streaming analytics with transaction processing in a single, horizontal scale-out platform. Customers use VoltDB to build applications that process streaming data the instant it arrives to make immediate, per-event, context-aware decisions. By delivering real-time in-transaction analytics that alwaysproduces correct results, VoltDB enables businesses to capture the economic value and develop new revenue opportunities in the mobile, financial services, IoT, energy, advertising, and security industries. The company is privately held with offices in Bedford, Massachusetts, and Santa Clara, California. | $8M / Series B / Mar 14, 2014 | ||
| HubLogix is a SaaS based solution that empowers online retailers to automate logistics process throughout the order lifecycle. We work with some of the the leading commerce platforms (e.g. Channel Advisor, Magento, Shopify, Amazon, etc.) and a growing eco-system of third party logistics providers and distributors to make sure orders go from cart todoorstep as efficiently as possibly. | $2.7M / Series A / Sep 16, 2013 | ||
| Acquia provides a cloud platform for building that delivering and optimizes digital experiences. With Acquia, organizations around the world including BBC, Nasdaq, Stanford University, and the Australian Government accelerate time to market and drive customer engagement through cross-channel, contextually relevant, and high-impact digitalexperiences.The company was founded in 2007 and is headquartered in Boston, Massachusetts. | $30M / Series E / Nov 30, 2012 | ||
| Densify is the developer of cloud and container cost management technology. Densify’s software enables FinOps and DevOps to collaborate and automate the proactive specification of cloud and container resources in the most financially-prudent way. With Densify, enterprises ensure that applications continuously get the resources they need at thelowest possible spend. | $15M / Series C / Mar 27, 2012 | ||
| See all 22 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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Fahri Diner
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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FAQ
What does John Mandile invest in?
John Mandile invests primarily in Software, Enterprise Software and SaaS startups, most often at Series B and Series A stage. Most of the 22 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact John Mandile?
Public channels for John Mandile include LinkedIn and Facebook. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did John Mandile last invest?
The most recent investment recorded for John Mandile closed in Jul 2015. Shizune tracks 22 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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