# Donald Milder

> Donald Milder is a Series A investor at Versant Ventures backing Medical. See 2 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: Angel Investor
- Fund: [Versant Ventures](https://shizune.co/investors/profile/versant-ventures)
- Location: Menlo Park, United States
- Total investments: 2
- Last investment: Jan 2016
- Lead investor: 100%
- Last updated: Sep 2026

Donald Milder is a Series A investor at Versant Ventures in Menlo Park focused on Medical and Health Care. Donald B. Milder is based out of Menlo Park, California, and is the managing director of Versant Ventures. Donald previously worked at CrossPoint Venture Partners as a partner. Donald B. Milder attended the Harvard Business School.

## Contacts

5 contacts available for Donald Milder: 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/donald-b-milder?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical | 2 | 100% |
| Health Care | 2 | 100% |
| Medical Device | 2 | 100% |
| Biotechnology | 1 | 50% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 50% |
| Series F | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Benvenue Medical | Benvenue Medical, Inc. is developing innovative, minimally invasive surgical solutions to treat spinal disorders. The company is privately held and funded by CRG Partners. | $23M | Series F | Jan 07, 2016 | http://www.benvenuemedical.com |
| Inari Medical | Inari Medical is a commercial-stage medical device company focused on developing products to treat and transform the lives of patients suffering from venous diseases. They are focused on treating venous thromboembolism and improving the quality of life of patients suffering from this disease by safely and effectively removing blood clots. It hasdeveloped two minimally-invasive, novel catheter-based mechanical thrombectomy devices that are designed to remove large clots from large vessels and eliminate the need for thrombolytic drugs. The ClotTriever system is 510(k)-cleared by the FDA for thrombectomy in the peripheral vessels and is used to treat patients suffering from deep vein thrombosis. The FlowTriever system is 510(k)-cleared by the FDA for the treatment of pulmonary embolism.The company was founded in 2011 and is headquartered in Irvine, California. |  | Series A |  | http://inarimedical.com/ |

2 of 2 investments shown.

## Co-investors
- [InterWest Partners](https://shizune.co/investors/profile/interwest-partners) — VC Fund, 2 deals together
- [Technology Partners](https://shizune.co/investors/profile/technology-partners) — VC Fund, 2 deals together
- [DeNovo Ventures](https://shizune.co/investors/profile/denovo-ventures) — VC Fund, 1 deal together
- [Domain Associates](https://shizune.co/investors/profile/domain-associates) — VC Fund, 1 deal together
- [Equilume](https://shizune.co/investors/profile/equilume) — VC Fund, 1 deal together

## About Versant Ventures

VC Fund · Menlo Park, United States

Versant Ventures is a healthcare investment firm committed to helping exceptional entrepreneurs build the next generation of great companies. The firm invests across the healthcare sector and at all stages of company development, with an emphasis on the discovery and development of novel therapeutics. With $2.3 billion under management and officesin Canada, the U.S., and Europe, Versant has built a team with deep investment, operating, and scientific expertise that enables a hands-on approach to company building. Since the firm’s founding in 1999, more than 65 Versant companies have achieved successful acquisitions or IPOs.

5 contacts available at Versant Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Charles Warden | Managing Director | https://shizune.co/investors/profile/charles-warden |
| Clare Ozawa | Managing Director | https://shizune.co/investors/profile/clare-ozawa |
| Donald Milder | Managing Director | https://shizune.co/investors/profile/donald-b-milder |
| Gianni Gromo | Partner | https://shizune.co/investors/profile/gianni-gromo |
| Guido Magni | Partner | https://shizune.co/investors/profile/guido-magni |

## 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
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund

## FAQ

### What does Donald Milder invest in?

Donald Milder invests primarily in Medical, Health Care and Medical Device startups, most often at Series A and Series F 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.

### How do I contact Donald Milder?

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 Donald Milder last invest?

The most recent investment recorded for Donald Milder closed in Jan 2016. 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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