# David Ma

> David Ma is a seed investor in Singapore backing Health Care and Marketplace. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Singapore, Singapore
- Total investments: 2
- Last investment: Apr 2021
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/madavidj

David Ma is a seed investor in Singapore focused on Health Care and Marketplace. David Ma

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 1 | 50% |
| Marketplace | 1 | 50% |

### Stage

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

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Docosan | Docosan is a tech startup on a mission to improve access to quality healthcare for people in emerging markets. Our digital marketplace lets patients compare healthcare providers across a wide range of specialties, book appointments online 24/7, chat with primary care assistants, and manage their own health data for free. Docosan offersproviders an easy mechanism to manage patients and massively expand their client base. The Docosan platform is currently available in Ho Chi Minh City and Hanoi, Vietnam.The Docosan platform improves access to primary healthcare, coordination of care, and generates public health data. Our platform is HIPAA-compliant and our data management system uses HL7 Fast Healthcare Interoperability Resources (FHIR), DICOM, and other internationally-recognized protocols to ensure that health records we maintain are portable across many different types of electronic health record (EHR) systems. We're dedicated to improving healthcare for Vietnamese people. Check us out! | $1M | Seed | Apr 14, 2021 |  |
| Docosan | Docosan is a tech startup on a mission to improve access to quality healthcare for people in emerging markets. Our digital marketplace lets patients compare healthcare providers across a wide range of specialties, book appointments online 24/7, chat with primary care assistants, and manage their own health data for free. Docosan offersproviders an easy mechanism to manage patients and massively expand their client base. The Docosan platform is currently available in Ho Chi Minh City and Hanoi, Vietnam.The Docosan platform improves access to primary healthcare, coordination of care, and generates public health data. Our platform is HIPAA-compliant and our data management system uses HL7 Fast Healthcare Interoperability Resources (FHIR), DICOM, and other internationally-recognized protocols to ensure that health records we maintain are portable across many different types of electronic health record (EHR) systems. We're dedicated to improving healthcare for Vietnamese people. Check us out! | $1M | Pre-Seed | Apr 14, 2021 |  |

2 of 2 investments shown.

## Co-investors
- [AppWorks](https://shizune.co/investors/profile/appworks-ventures) — VC Fund, 2 deals together
- [Huat Ventures](https://shizune.co/investors/profile/huat-ventures) — VC Fund, 2 deals together
- [3CC | Third Culture Capital](https://shizune.co/investors/profile/3cc-third-culture-capital) — VC Fund, 1 deal together
- [ZEMU Venture Capital](https://shizune.co/investors/profile/zemu-venture-capital) — VC Fund, 1 deal together

## Similar investors

### Similar industry
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund
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### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
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- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar country
- [Mekong Capital](https://shizune.co/investors/profile/mekong-capital) — VC Fund
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Touchstone Partners](https://shizune.co/investors/profile/touchstone-partners) — VC Fund

## Featured in investor lists
- [Marketplace Angel Investors in Vietnam](https://shizune.co/investors/marketplace-angel-investors-vietnam)
- [All Angel Investors in Vietnam](https://shizune.co/investors/angel-investors-vietnam)
- [Health Care Angel Investors in Asia](https://shizune.co/investors/health-care-angel-investors-asia)
- [Marketplace Investors in Vietnam](https://shizune.co/investors/marketplace-investors-vietnam)

## FAQ

### What does David Ma invest in?

David Ma invests primarily in Health Care and Marketplace startups, most often at Seed and Pre-Seed stage. Most of the 2 investments tracked by Shizune back companies in Vietnam. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did David Ma last invest?

The most recent investment recorded for David Ma closed in Apr 2021. 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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