John Scull
Managing Director @ Southern Cross Venture Partners
San Francisco, United States
John Scull is a co-founding Managing Director of Southern Cross Venture Partners and is based in Silicon Valley. Previously, he was a Venture Partner and member of the investment committee of the venture capital firm Allen & Buckeridge. As an active board member and investor, he brings a wealth of operational experience to the management andboard of an investee company, helping build their management teams, define their strategy and improve their sales and business development efforts, secure follow-on funding and even helping them transition their operations and headquarters to the United States if required. He is or was a Board of Director member of the following portfolio companies: Aurema (acquired by Citrix), Brandscreen, (acquired by Jersey Telecom), Effective Measure, Virsto, Fultec Semiconductor (acquired by Bourns), Liaise, VaST Systems (acquired by Synopsys), Wedgetail/Vintela (acquired by Quest), Xumii (acquired by Myriad).Prior to becoming a venture capitalist, John had a successful 20-year operational career with leading edge technology companies primarily in Silicon Valley. He has been the CEO of two successful venture backed software companies (Macromind, which merged to form Macromedia (MACR) and PF.Magic, which was successfully sold to The Learning Company). John was also an innovative marketing executive at Apple Computer, where he helped launch the Macintosh personal computer and then started and grew the company's Desktop Publishing business to over US$1B in revenues.John Scull holds an MBA from Harvard University and a bachelor degree from the University of Oklahoma.
- Total investments:
- 4
- Last investment:
- Lead investor:
- 50%
Last updated:
For AI agents: llms.txt
Industries John Scull invests in
Stages John Scull invests in
Countries John Scull invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
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Investment Focus
Industry
- Software 2 (50%)
- Wireless 1 (25%)
- Semiconductor 1 (25%)
- Virtualization 1 (25%)
- Cloud Computing 1 (25%)
Stage
- Series B 1 (25%)
- Series C 1 (25%)
- Series D 1 (25%)
- Series E 1 (25%)
- Private Equity 1 (25%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Virsto was founded in late 2007 by a team of storage and virtualization experts who saw that the old ways of doing storage were not working in the virtual server era. We believe we are building a visionary storage software platform that will fundamentally transform the data center – decoupling storage from the physical world once and for all tosave organizations time and money. Virsto's solutions address the growing need for cost-effective and efficient storage for virtual servers and desktops. Companies around the world use Virsto to achieve increases in performance, reduce storage capital and operating costs, and streamline provisioning and data management for virtual computing. | $5M / Series B / Aug 25, 2011 | ||
| Quantenna specializes in providing Wi-Fi solutions. Founded in 2006, Quantenna has demonstrated its leadership in Wi-Fi technologies with many industry firsts in the market. Quantenna continues to innovate with the mission to perfect Wi-Fi by establishing benchmarks for speed, range, efficiency, and reliability. Quantenna takes a multidimensionalapproach, from silicon, a system to software for Wi-Fi networks, and provides solutions for OEMs and service providers worldwide. | $21M / Series E / Sep 27, 2010 | ||
| Quantenna specializes in providing Wi-Fi solutions. Founded in 2006, Quantenna has demonstrated its leadership in Wi-Fi technologies with many industry firsts in the market. Quantenna continues to innovate with the mission to perfect Wi-Fi by establishing benchmarks for speed, range, efficiency, and reliability. Quantenna takes a multidimensionalapproach, from silicon, a system to software for Wi-Fi networks, and provides solutions for OEMs and service providers worldwide. | $15M / Series D / Feb 14, 2010 | ||
| Quantenna specializes in providing Wi-Fi solutions. Founded in 2006, Quantenna has demonstrated its leadership in Wi-Fi technologies with many industry firsts in the market. Quantenna continues to innovate with the mission to perfect Wi-Fi by establishing benchmarks for speed, range, efficiency, and reliability. Quantenna takes a multidimensionalapproach, from silicon, a system to software for Wi-Fi networks, and provides solutions for OEMs and service providers worldwide. | $14M / Series C / Apr 29, 2009 |
Co-Investors
Southern Cross Venture Partners was launched in 2006 by veteran venture capitalists who have managed and operated companies themselves. Southern Cross Venture Partners assist early stage technology companies that demonstrate the potential for exceptional growth and market leadership build significant businesses. The founding principle of Southern Cross is partnership -- they are passionately committed to doing everything they can to help their portfolio companies succeed. Their team has a strong record of utilizing their start-up and management experience, industry knowledge, network of business/customer relationships, and recruiting skills to assist in building significant shareholder value. Southern Cross is currently investing in companies that fit their investment criteria. They prefer to act as lead or co-lead in the early stages where they have experience that can help build value rapidly. They do not have a minimum investment amount, however, a typical initial investment will be $2 million to $5 million with an ability to invest more money in later rounds.
Southern Cross Venture Partners Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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John Scull
Managing Director
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Mark Bonnar
Managing Director
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Anneliese Bisson
Chief Financial Officer
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Bob Christiansen
Founding Managing Director
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Frank Foster
Venture Partner
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FAQ
What does John Scull invest in?
John Scull invests primarily in Software, Wireless and Semiconductor startups, most often at Series B and Series C stage. Most of the 4 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 Scull?
Public channels for John Scull include LinkedIn. 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 Scull last invest?
The most recent investment recorded for John Scull closed in Aug 2011. Shizune tracks 4 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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