# Mark Rose

> Mark Rose is a seed investor in San Jose backing Email, Software and Apps. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: San Jose, United States
- Total investments: 2
- Last investment: Oct 2011
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/productguy
- X (Twitter): http://twitter.com/m1rose28
- Website: http://www.ridezu.com
- Facebook: http://www.facebook.com/productguy

Mark Rose is a seed investor in San Jose focused on Email and Software. Product leader experienced in creating, developing and managing amazing consumer experiences. From his early career at E*TRADE, to his own startup Spare Change (acquired by PlaySpan/Visa), to product leadership roles at Visa and Google/Motorola, Mark love's creating unique, remarkable consumer products.Specialties: consumeracquisition and engagement, analytics, agile development, growing teams.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $800k–$1.1M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Email | 2 | 100% |
| Software | 2 | 100% |
| Apps | 1 | 50% |
| Messaging | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| PowerInbox - DynamicMail business | PowerInbox - DynamicMail business automatically transform static email HTMLs into dynamic, interactive content so recipients get content that is updated for relevancy in real-time upon open. | $800K | Seed | Oct 06, 2011 |  |
| Jeeng | Jeeng is bringing the power of AI and data intelligence to digital publishers with our proprietary solutions for driving audience engagement and revenue. Our dynamic team of automation and data experts is delivering transformative data-driven engagement strategies to the fast-changing publishing industry.Our unique content personalizationsolution is the only one of its kind that leverages first-party, opt-in data to help publishers build loyal, engaged, 1:1 subscriber relationships. With our platform, publishers can end their reliance on the walled gardens of search and social media and move beyond cookies to more accurately curate content and ads and deliver them directly to subscribers at the right time, on the right channel.Named a Fast Growth Icon, an Inc. 500 Fastest-Growing Company, a Crain’s Fast 50 and Red Herring 100 Winner, Jeeng fuels the multichannel messaging strategy for over 700 publishers, including The Atlantic, Crain’s Harper Collins, and Vox Media. With a proven track record for growth, we’ve seen a solid 165% CAGR over the last 5 years, and we invest heavily in R&D with over 50% of our global team working directly in technology development. | $1.1M | Seed | Aug 16, 2011 |  |

2 of 2 investments shown.

## Co-investors
- [Ecosystem Ventures](https://shizune.co/investors/profile/ecosystem-ventures) — VC Fund, 2 deals together
- [Correlation Ventures](https://shizune.co/investors/profile/correlation-ventures) — VC Fund, 1 deal together
- [Founder Collective](https://shizune.co/investors/profile/founder-collective) — VC Fund, 1 deal together
- [Longworth Venture Partners](https://shizune.co/investors/profile/longworth-venture-partners) — VC Fund, 1 deal together

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### Similar industry
- [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund
- [Scott Banister](https://shizune.co/investors/profile/scott-banister) — Angel Investor
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund

### Similar stage
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## Featured in investor lists
- [Email Angel Investors](https://shizune.co/investors/email-angel-investors)

## FAQ

### What does Mark Rose invest in?

Mark Rose invests primarily in Email, Software and Apps startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Mark Rose's check size?

Mark Rose typically joins rounds of $800k–$1.1M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Mark Rose participates in.

### When did Mark Rose last invest?

The most recent investment recorded for Mark Rose closed in Oct 2011. Shizune tracks 2 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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