# SI Ventures

> SI Ventures is a VC fund in Fort Myers backing Sales and Content. See 7 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Fort Myers, United States
- Total investments: 7
- Last investment: Oct 2022
- Lead investor: 14%
- Last updated: Aug 2026
- Website: http://www.siventures.com/

SI Ventures is a venture capital firm focusing on information technology (IT) and communications infrastructure companies.

## Contacts

5 contacts available for SI Ventures. Shizune tracks 4 team members at SI Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/si-ventures?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Sales | 2 | 29% |
| Content | 2 | 29% |
| Internet | 2 | 29% |
| Software | 2 | 29% |
| Medical | 1 | 14% |

14 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 3 | 43% |
| Series C | 2 | 29% |
| Pre-Seed | 1 | 14% |
| Series D | 1 | 14% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 5 | 71% |
| Germany | 1 | 14% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Manny Fernandez | Managing Director | 2 | https://shizune.co/investors/profile/manny-fernandez-2 |
| Jessica Mulvihill | Co-President | 0 | https://shizune.co/investors/profile/jessica-mulvihill |
| John Halligan | Managing Director | 0 | https://shizune.co/investors/profile/john-halligan |
| N. Adam Rin | Managing Director | 0 | https://shizune.co/investors/profile/n-adam-rin |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| l1r1 | Developing heylara.de the first Conversation Business Automation (CBA) solution | $1.3M | Pre-Seed | Oct 30, 2022 |  |
| Brainshark | Brainshark is the leading sales enablement company that helps businesses harness the power of content to drive sales productivity. Empower sales teams with dynamic content that can be created quickly, imported easily, and accessed anywhere. Prepare your teams with on-demand training that accelerates onboarding and keeps existing repsup-to-speed and in-the-know. Hone performance with sales coaching that ensures reps make the most of every buyer interaction. Arm reps with the right content and resources for any selling situation – both in and out of Salesforce – to better engage buyers and close more deals. And use data to track sales content effectiveness, and make smarter decisions. Brainshark helps you do it all. Thousands of companies – including more than half of the Fortune 100 – rely on Brainshark to improve sales productivity and increase the impact of their sales, marketing and training communications. Learn more at www.brainshark.com.BrainShark was founded by Joe Gustafson in 1999 and is based in Waltham, Massachusetts. | $6.9M | Series C | Jun 13, 2005 |  |
| RealVue Simulation Technologies | RealVue Simulation Technologies offers simulation software products to the commercial industrial and manufacturing sectors. The company’s simulation production methodologies provide solutions for employee training and performance measurement in the operation, maintenance, and service of equipment to the organizations.RealVue SimulationTechnologies wa founded in 2001 and is based in Ausstin, Texas. | $12.5M | Series B | Apr 07, 2004 |  |
| Healinx | Healinx is a unique medical relationship management application service provider (ASP). Our mission is to increase communication and the satisfaction level between patients and their doctors, while enhancing physician practice efficiency and profitability.By providing a Web-based channel that links patients directly to their personal doctors,Healinx allows patients to communicate with their doctors or access their medical information anytime -- from anywhere. In addition, patients can receive personalized health information from their doctors. The Healinx customized Internet messaging enables doctors and patients to communicate online with state of the art security and privacy. In addition, the Healinx channel includes a set of tools for electronic prescriptions and preventive care. | $13.1M | Series D | Aug 20, 2001 |  |
| eAngler | eAngler.com is owned and operated by eAngler, Inc., a Florida corporation, headquartered in Tampa, FL. Our mission is to create, maintain and continually improve "The World's Ultimate Online Fishing Resource", eAngler.com.Fishing enthusiasts from all over the world now have an online venue where they can find both current andtimeless information on all aspects of fishing, as well as opportunities to purchase fishing-related products and services. | $9.1M | Series B | May 03, 2000 |  |
| Healinx | Healinx is a unique medical relationship management application service provider (ASP). Our mission is to increase communication and the satisfaction level between patients and their doctors, while enhancing physician practice efficiency and profitability.By providing a Web-based channel that links patients directly to their personal doctors,Healinx allows patients to communicate with their doctors or access their medical information anytime -- from anywhere. In addition, patients can receive personalized health information from their doctors. The Healinx customized Internet messaging enables doctors and patients to communicate online with state of the art security and privacy. In addition, the Healinx channel includes a set of tools for electronic prescriptions and preventive care. | $19M | Series C | Feb 23, 2000 |  |
| SoftLock.com | SoftLock.com is a privately owned company that specializes in merchandizing digital content. It offers a system that enables content publishers and commercial web sites to securely market and sell digital content. The company was founded in 1977 and is headquartered in Maynard, Massachusetts. | $7.5M | Series B | Feb 15, 2000 |  |

7 of 7 investments shown.

## Co-investors
- [U.S. Venture Partners](https://shizune.co/investors/profile/us-venture-partners) — VC Fund, 2 deals together
- [3i Group](https://shizune.co/investors/profile/3i-group) — VC Fund, 1 deal together
- [Austin Ventures](https://shizune.co/investors/profile/austin-ventures) — VC Fund, 1 deal together
- [Brunswick](https://shizune.co/investors/profile/brunswick) — VC Fund, 1 deal together
- [Citizen Capital](https://shizune.co/investors/profile/citizen-capital) — VC Fund, 1 deal together
- [Concord Ventures](https://shizune.co/investors/profile/concord-ventures) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [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 SI Ventures invest in?

SI Ventures invests primarily in Sales, Content and Internet startups, most often at Series B and Series C stage. Most of the 7 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 SI Ventures?

Public channels for SI Ventures include 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.

### Who are the partners at SI Ventures?

The team at SI Ventures includes Manny Fernandez (Managing Director), Jessica Mulvihill (Co-President) and John Halligan (Managing Director). The Team section lists each member with their title, investment count and links.

### 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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