# Sadaharu Saiki

> Sadaharu Saiki is a seed investor at Sunny Side Venture Partners backing FinTech and Payments. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Sunny Side Venture Partners](https://shizune.co/investors/profile/sunny-side-ventures)
- Location: Cairo, Egypt
- Total investments: 2
- Last investment: Oct 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/sadaharu-saiki-703b2a170
- Facebook: https://www.facebook.com/sadaharu.saiki

Sadaharu Saiki is a seed investor at Sunny Side Venture Partners in Cairo focused on FinTech and Payments. Sadaharu Saiki is the Founder & GP of Sunny Side Venture Partners. He previously worked at McKinsey & Company as an Associate. Sadaharu Saiki attended Harvard Business School.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| FinTech | 1 | 50% |
| Payments | 1 | 50% |
| Cyber Security | 1 | 50% |
| Digital Marketing | 1 | 50% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 50% |
| Pre-Seed | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Scale | Scale accelerates market entry and revenue for fintechs with a people-first approach. | $700K | Pre-Seed | Oct 03, 2024 |  |
| Cypherleak | Cypherleak is an automated cyber risk monitoring and scoring solution that uses an organisation's domain name only to map their risk exposure across leaked passwords, attack surface, vulnerabilities and dark web data leakage. Additionally, Cypherleak supports global insurances by powering their cyber insurance products with reliable andaccurate cyber risk modeling and monitoring. |  | Seed | Dec 27, 2023 |  |

2 of 2 investments shown.

## Co-investors
- [54 Collective](https://shizune.co/investors/profile/54-collective) — VC Fund, 1 deal together
- [First circle capital](https://shizune.co/investors/profile/first-circle-capital) — VC Fund, 1 deal together

## About Sunny Side Venture Partners

VC Fund

Sunny Side Ventures is an investment firm.

1 contacts available at Sunny Side Venture Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Sadaharu Saiki | Founder & GP | https://shizune.co/investors/profile/sadaharu-saiki |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Sadaharu Saiki invest in?

Sadaharu Saiki invests primarily in FinTech, Payments and Cyber Security startups, most often at Seed and Pre-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.

### When did Sadaharu Saiki last invest?

The most recent investment recorded for Sadaharu Saiki closed in Oct 2024. 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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