# Dion Joannou

> Dion Joannou is a seed investor in Milpitas backing Software, SaaS and Mobile. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Milpitas, United States
- Total investments: 2
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/dion-joannou-7212432

Dion Joannou is a seed investor in Milpitas focused on Software and SaaS. Dion Joannou is based out of Fort Lauderdale, Florida and is the Board Member of Marketeam.ai. Dion previously worked at Accedian as a CEO. Dion Joannou attended the University of Miami.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 2 | 100% |
| SaaS | 1 | 50% |
| Mobile | 1 | 50% |
| Marketing | 1 | 50% |
| Mobile Apps | 1 | 50% |

8 industries tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Israel | 1 | 50% |
| United States | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Marketeam.ai | Marketeam.ai is a GenAI startup that has developed the first proprietary Foundation Language Model for marketing (FLM, DALM), and is training autonomous AI agents to work collaboratively with humans as a marketing team to manage business' marketing end-to-end.Marketeam.ai empowers every business to have its own 'pro marketing team'working together 24/7 on building, promoting, and managing their brand to accelerate growth with expert-level skills, at platform-level cost & speed. The platform offers autonomous AI marketing agents, combining expert strategy and 24/7 operational efficiency. Ideal for businesses aiming to enhance ROI and growth with a cutting-edge AI marketing team. | $3M | Seed |  |  |
| Rovertown | For regional c-stores looking to better connect with consumers in an always-on world, Rovertown builds branded apps with the flexibility needed to deliver personalized, meaningful customer experiences. Unlike our competitors, we can integrate with any technology vendor and go the extra step to ensure success by providing excellent implementationand support. |  | Seed |  |  |

2 of 2 investments shown.

## Co-investors
- [Ocean Azul Partners](https://shizune.co/investors/profile/ocean-azul-partners) — VC Fund, 1 deal together

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## FAQ

### What does Dion Joannou invest in?

Dion Joannou invests primarily in Software, SaaS and Mobile startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### 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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