# Jo Tango

> Jo Tango is a Series B investor at Harvard Business School backing Enterprise Software. See 17 investments, check sizes, portfolio and contact details…

- Type: Angel Investor
- Fund: [Harvard Business School](https://shizune.co/investors/profile/harvard-business-school)
- Location: Boston, United States
- Total investments: 17
- Last investment: Jul 2015
- Lead investor: 35%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jtangovc/
- X (Twitter): http://twitter.com/jtangoVC
- Website: http://jtangovc.com/

Jo Tango is a Series B investor at Harvard Business School in Boston focused on Enterprise Software and Software. Jo Tango is the Founder of University.Tango has been a founding or first institutional investor in AutoVirt, Azuki Systems, Bit9, ByLedge, ExaGrid, StreamBase Systems, Vertica Systems, and Virtual Iron, getting involved nearly always at the company inception phase. Other investments include Ask Jeeves (Nasdaq: ASKJ), Digital Market (acquired by Agile Software), and NextCard (Nasdaq: NXCD).He was at Highland Capital Partners for nearly 9 years, where he was a general partner. He also spent five years with Bain & Company, where he was based in Singapore, Hong Kong and Boston, and focused on technology and startup projects.Jo Tango obtained his bachelor’s degree from Yale University and an MBA from Harvard Business School.

## Contacts

5 contacts available for Jo Tango: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/jo-tango?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Enterprise Software | 6 | 35% |
| Software | 4 | 24% |
| Analytics | 3 | 18% |
| Real Time | 2 | 12% |
| Big Data | 1 | 6% |

15 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 4 | 24% |
| Funding Round | 3 | 18% |
| Series A | 2 | 12% |
| Series D | 2 | 12% |
| Seed | 1 | 6% |

7 stages tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Volt Active Data | 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 |  | Jul 22, 2015 |  |
| Volt Active Data | 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 |  |
| Carbon Black | Carbon Black (NASDAQ: CBLK) is a leading provider of next-generation endpoint security. Carbon Black serves more than 4,300 customers globally, including 35 of the Fortune 100. As a cybersecurity innovator, Carbon Black has pioneered multiple endpoint security categories, including application control, endpoint detection and response (EDR), andnext-generation antivirus (NGAV). Leveraging its big data and analytics cloud platform – the Cb Predictive Security Cloud – Carbon Black solutions enable customers to defend against the most advanced cyber threats, including malware, ransomware, and non-malware attacks. Deployed via the cloud, on premise or as a managed service, customers use Carbon Black solutions to lock down critical systems, hunt threats, and replace legacy antivirus. | $38.3M | Series E | Feb 13, 2014 |  |
| Carbon Black | Carbon Black (NASDAQ: CBLK) is a leading provider of next-generation endpoint security. Carbon Black serves more than 4,300 customers globally, including 35 of the Fortune 100. As a cybersecurity innovator, Carbon Black has pioneered multiple endpoint security categories, including application control, endpoint detection and response (EDR), andnext-generation antivirus (NGAV). Leveraging its big data and analytics cloud platform – the Cb Predictive Security Cloud – Carbon Black solutions enable customers to defend against the most advanced cyber threats, including malware, ransomware, and non-malware attacks. Deployed via the cloud, on premise or as a managed service, customers use Carbon Black solutions to lock down critical systems, hunt threats, and replace legacy antivirus. | $34.5M | Series D | Jul 30, 2012 |  |
| Volt Active Data | 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. | $590K | Series A | Apr 11, 2012 |  |
| Azuki Systems | Azuki Systems began with a single premise: to be the best multi-screen video delivery platform. To reach this goal they focused on hiring the best people, building the best technologies for multi-screen video delivery and monetization, and striving to always be building what’s next. Their culture of innovation fosters creative solutions to the mostpressing problems faced by their customers, and the result is nothing less than amazing. Azuki developed the highest quality, most flexible, best-protected and most proven managed OTT optimized multi-screen video delivery solution available.Their team is composed of the best leaders, engineers, designers, and technologists in the TV Everywhere, OTT multi-screen video business.Azuki is the only multi-screen video delivery technology built from the ground-up for the unique challenges of mobile and OTT multi-screen.They focus on the challenges of their customers: cable operators, IPTV providers, mobile network operators, content owners and enterprises. Your multi-screen problems are their focus.You can trust that their team, hand-picked, vetted, and proven, is building and supporting the best multi-screen video delivery platform in the world to move your business forward. | $5.1M |  | Jan 25, 2012 |  |
| Azuki Systems | Azuki Systems began with a single premise: to be the best multi-screen video delivery platform. To reach this goal they focused on hiring the best people, building the best technologies for multi-screen video delivery and monetization, and striving to always be building what’s next. Their culture of innovation fosters creative solutions to the mostpressing problems faced by their customers, and the result is nothing less than amazing. Azuki developed the highest quality, most flexible, best-protected and most proven managed OTT optimized multi-screen video delivery solution available.Their team is composed of the best leaders, engineers, designers, and technologists in the TV Everywhere, OTT multi-screen video business.Azuki is the only multi-screen video delivery technology built from the ground-up for the unique challenges of mobile and OTT multi-screen.They focus on the challenges of their customers: cable operators, IPTV providers, mobile network operators, content owners and enterprises. Your multi-screen problems are their focus.You can trust that their team, hand-picked, vetted, and proven, is building and supporting the best multi-screen video delivery platform in the world to move your business forward. | $4M |  | Dec 02, 2010 |  |
| AutoVirt | AutoVirt, Inc. develops and sells a software solution for assessing, migrating, and managing unstructured data stored on NAS devices and Windows file servers. AutoVirt is sold in three product editions: AutoAssess performs a thorough assessment of the file system; AutoMigrate combines assessment with fast, transparent data migration; andAutoManage enables ongoing storage optimization by combing a Global Namespace with a platform for assessing and moving data.The company was founded in 2007 and is based in Nashua, New Hampshire. | $3.8M |  | Oct 20, 2010 |  |
| Volt Active Data | 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. | $5M | Series A | Sep 07, 2010 |  |
| Azuki Systems | Azuki Systems began with a single premise: to be the best multi-screen video delivery platform. To reach this goal they focused on hiring the best people, building the best technologies for multi-screen video delivery and monetization, and striving to always be building what’s next. Their culture of innovation fosters creative solutions to the mostpressing problems faced by their customers, and the result is nothing less than amazing. Azuki developed the highest quality, most flexible, best-protected and most proven managed OTT optimized multi-screen video delivery solution available.Their team is composed of the best leaders, engineers, designers, and technologists in the TV Everywhere, OTT multi-screen video business.Azuki is the only multi-screen video delivery technology built from the ground-up for the unique challenges of mobile and OTT multi-screen.They focus on the challenges of their customers: cable operators, IPTV providers, mobile network operators, content owners and enterprises. Your multi-screen problems are their focus.You can trust that their team, hand-picked, vetted, and proven, is building and supporting the best multi-screen video delivery platform in the world to move your business forward. | $3M | Series B | Jan 05, 2010 |  |

10 of 17 investments shown.

## Co-investors
- [Sigma Partners](https://shizune.co/investors/profile/sigma-partners) — VC Fund, 10 deals together
- [Kleiner Perkins](https://shizune.co/investors/profile/kleiner-perkins-caufield-byers) — VC Fund, 3 deals together
- [.406 Ventures](https://shizune.co/investors/profile/406-ventures) — VC Fund, 2 deals together
- [Atlas Venture](https://shizune.co/investors/profile/atlas-venture) — VC Fund, 2 deals together
- [Bessemer Venture Partners](https://shizune.co/investors/profile/bessemer-venture-partners) — VC Fund, 2 deals together
- [Sigma Prime Ventures](https://shizune.co/investors/profile/sigma-prime-ventures) — VC Fund, 2 deals together

## About Harvard Business School

VC Fund · Boston, United States

Harvard Business School educates leaders who make a difference in the world.HBS offers MBA Program, an intensive, two-year residential program leading to an MBA degree; Doctoral Programs with nine full-time programs leading to a Ph.D. or DBA degree; and Executive Education with more than 80 programs preparing talented professionals from all overthe world for new levels of leadership in their careers and within their organizations.Some of the notable graduates of Harvard Business School are former US president George W. Bush, Ratan Tata, and James Dimon. Harvard Business School is an ivy league school.

5 contacts available at Harvard Business School.

| Name | Title | Profile |
| --- | --- | --- |
| Lynda Applegate | Professor | https://shizune.co/investors/profile/lynda-m-applegate |
| Alex Iskold | Coach and Venture Capitalist in Residence | https://shizune.co/investors/profile/alex-iskold |
| Alistair Croll | Visiting Executive | https://shizune.co/investors/profile/alistair-croll |
| Amy Schulman | Senior Lecturer - Business Administration | https://shizune.co/investors/profile/amy-w-schulman |
| Andy Wu | Assistant Professor of Business Administration (Strategy Unit) | https://shizune.co/investors/profile/andy-wu-2 |

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- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund

## FAQ

### What does Jo Tango invest in?

Jo Tango invests primarily in Enterprise Software, Software and Analytics startups, most often at Series B and Funding Round stage. Most of the 17 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 Jo Tango?

Public channels for Jo Tango include LinkedIn, X (Twitter) and the website linked on this profile. 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 Jo Tango last invest?

The most recent investment recorded for Jo Tango closed in Jul 2015. Shizune tracks 17 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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