# Mark Jung

> Mark Jung is a seed investor at Khosla Ventures backing Software and Internet. See 5 investments, round sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Fund: [Khosla Ventures](https://shizune.co/investors/profile/khosla-ventures)
- Location: Atherton, United States
- Total investments: 5
- Last investment: Jul 2015
- Lead investor: 20%
- Last updated: Oct 2026
- LinkedIn: http://www.linkedin.com/in/markjung

Mark Jung is a seed investor at Khosla Ventures in Atherton focused on Software and Internet. Mark Jung is the Chairman of PocketRN and he holds an MBA from Stanford Business School and a B.S. in Electrical Engineering from Princeton University.

## Contacts

5 contacts available for Mark Jung: 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/mark-jung?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 60% |
| Internet | 2 | 40% |
| SaaS | 1 | 20% |
| Mobile | 1 | 20% |
| eSports | 1 | 20% |

19 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 40% |
| Series A | 2 | 40% |
| Series B | 1 | 20% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 4 | 80% |
| United Kingdom | 1 | 20% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Carspring | Carspring is the simple, stress-free way to buy used cars online, delivered directly to your doorstep. They are Europe's fastest growing online used car dealership. They offer inspected cars, flexible finance, nationwide delivery, 14 day money-back guarantee, 6 months' warranty and 6 months roadside assistance. | $3.3M | Series A | Jul 31, 2015 | https://www.carspring.co.uk |
| Skillz | Skillz is the marketplace platform that helps players discover mobile games and compete against other players around the world. At the same time, the company helps developers build multi-million dollar franchises by enabling social competition in their games. Leveraging its patented technology, Skillz has hosted over 2 billion tournaments entriesfor 30 million mobile players worldwide and distributes over $60 million in prizes each month. Headquartered in San Francisco and Portland, the company is backed by leading venture capitalists, media companies, and professional sports leagues and franchises including the investment arm of the NFL and owners of the New England Patriots, Milwaukee Bucks, New York Mets and Sacramento Kings. Skillz has also earned recognition as one of Fast Company’s Most Innovative Companies, CNBC’s Disruptor 50, Forbes’ Next Billion-Dollar Startups, and the #1 fastest-growing company in America on the Inc. 5000. | $500K | Seed | Nov 15, 2012 | http://www.skillz.com |
| UpGuard | UpGuard is a cybersecurity platform that helps organizations monitor, assess, and manage cybersecurity risk across internal systems and third-party vendors. Its platform evaluates digital assets to identify security gaps, misconfigurations, and exposure points that may impact data protection and operational integrity. The company offers tools forvendor risk management, enabling teams to review and track the security posture of external partners. Its solutions also include attack surface monitoring, which maps internet-facing assets to detect vulnerabilities and unauthorized changes. UpGuard supports security teams with reporting and workflow features that assist in risk assessment, remediation tracking, and compliance alignment. | $1.2M | Seed | Jun 01, 2012 | https://www.upguard.com/ |
| Ness Computing | Ness Computing's mission is to make search personal. By applying its expertise in search, recommendations and social networking to human behavior, Ness helps people discover experiences they'll love. The first category Ness supports is restaurants. | $5M | Series A | Jul 19, 2011 | http://likeness.com |
| AddThis | AddThis provide online marketers easy-to-use tools to deliver personalized experiences to users across the web. Over 15 million domains reaching 2B unique users, leverage the AddThis platform to drive traffic and engagement. <a href="https://luckypatcherforum.com/modded-play-store/">Modded PayStore</a> The company leverages a footprint of 1 trillion page views yearly to power their unique offering. | $5.5M | Series B | Feb 01, 2007 | http://www.addthis.com |

5 of 5 investments shown.

## Co-investors
- [Novak Biddle Venture Partners](https://shizune.co/investors/profile/novak-biddle-venture-partners) — VC Fund, 2 deals together
- [Revolution](https://shizune.co/investors/profile/revolution) — VC Fund, 2 deals together
- [Accomplice](https://shizune.co/investors/profile/accomplice-atlas-venture) — VC Fund, 1 deal together
- [Alsop Louie Partners](https://shizune.co/investors/profile/alsop-louie-partners) — VC Fund, 1 deal together
- [Atlas Venture](https://shizune.co/investors/profile/atlas-venture) — VC Fund, 1 deal together
- [Bullpen Capital](https://shizune.co/investors/profile/bullpen-capital) — VC Fund, 1 deal together

## About Khosla Ventures

VC Fund · Menlo Park, United States

Khosla Ventures is a venture capital firm that invests in early- to late-stage companies across sectors like AI, healthcare, sustainability, and consumer technology. It manages multiple funds, focusing on startups with innovative technologies or business models. The firm primarily targets sectors like AI, climate tech, digital health, and medtech, offering strategic support to help build long-lasting companies.

5 contacts available at Khosla Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Bryan Gartner | Partner | https://shizune.co/investors/profile/bryan-gartner |
| Ethan Choi | Partner | https://shizune.co/investors/profile/ethan-choi |
| Evan Moore | Partner | https://shizune.co/investors/profile/evan-moore |
| Kanu Gulati | Partner | https://shizune.co/investors/profile/kanu-gulati |
| Sandhya Venkatachalam | Partner | https://shizune.co/investors/profile/sandhya-venkatachalam |

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## Featured in investor lists
- [eSports Angel Investors in United States](https://shizune.co/investors/esports-angel-investors-united-states)

## FAQ

### What does Mark Jung invest in?

Mark Jung invests primarily in Software, Internet and SaaS startups, most often at Seed and Series A stage. Most of the 5 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 Mark Jung?

Public channels for Mark Jung 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 Mark Jung last invest?

The most recent investment recorded for Mark Jung closed in Jul 2015. Shizune tracks 5 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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