# Immanuel Thangaraj

> Immanuel Thangaraj is a Series C investor at Essex Woodlands Healthcare Partners backing Medical. See 2 investments, check sizes, portfolio and contact…

- Type: Angel Investor
- Fund: [Essex Woodlands Healthcare Partners](https://shizune.co/investors/profile/essex-woodlands-health-ventures)
- Total investments: 2
- Last investment: Sep 2015
- Lead investor: 0%
- Last updated: Aug 2026

Immanuel Thangaraj is a Series C investor at Essex Woodlands Healthcare Partners focused on Medical and Health Care. Immanuel Thangaraj - Managing Director @ Essex Woodlands Healthcare Partners

## Contacts

5 contacts available for Immanuel Thangaraj: 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/immanuel-thangaraj?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical | 1 | 50% |
| Health Care | 1 | 50% |
| Therapeutics | 1 | 50% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series C | 1 | 50% |
| Debt Financing | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Kona Medical | Kona Medical is committed to alleviating the suffering and health risks associated with drug-resistant hypertension with a more effective, less invasive approach to renal artery denervation. The company was founded in 2009 by Michael Gertner, MD, with seed financing from Essex Woodlands. Kona was formed on the basis of combining Dr. Gertner’sinventions in the field with the assets of Therus Corporation, a predecessor company in the field of therapeutic focused ultrasound. |  | Debt Financing | Sep 02, 2015 |  |
| Kona Medical | Kona Medical is committed to alleviating the suffering and health risks associated with drug-resistant hypertension with a more effective, less invasive approach to renal artery denervation. The company was founded in 2009 by Michael Gertner, MD, with seed financing from Essex Woodlands. Kona was formed on the basis of combining Dr. Gertner’sinventions in the field with the assets of Therus Corporation, a predecessor company in the field of therapeutic focused ultrasound. | $30M | Series C | May 30, 2012 |  |

2 of 2 investments shown.

## Co-investors
- [BioStar Capital](https://shizune.co/investors/profile/biostar-private-equity) — VC Fund, 2 deals together
- [Domain Associates](https://shizune.co/investors/profile/domain-associates) — VC Fund, 2 deals together
- [Morgenthaler Ventures](https://shizune.co/investors/profile/morgenthaler-ventures) — VC Fund, 2 deals together
- [ITOCHU Technology Ventures](https://shizune.co/investors/profile/itochu-technology-ventures) — VC Fund, 1 deal together
- [Morningside](https://shizune.co/investors/profile/morningside-group) — VC Fund, 1 deal together
- [Vertex Ventures HC](https://shizune.co/investors/profile/vertex-ventures-hc) — VC Fund, 1 deal together

## About Essex Woodlands Healthcare Partners

VC Fund · Palo Alto, United States

Essex Woodlands was founded in 1985 with the establishment of Essex Venture Fund I, LP. Since 1985, the Partnership has raised seven additional funds with nearly $2.5 billion under management, making Essex Woodlands one of the world's largest and most established healthcare venture capital firms. The team is comprised of 23 professionals withprincipal offices in Palo Alto, Houston, New York and London. This team brings over 300 years of collective healthcare experience.For over 20 years, the firm has maintained its dedicated focus to diversified healthcare investing—primarily serving as lead investor in the founding or the critical financings of over 100 healthcare companies in pharmaceutical, biotechnology, medical device, services and information technology sectors. In addition to its long-standing commitment to early stage companies, the firm has over a decade of experience as a leading late-stage healthcare investor, which includes mature venture, growth equity and PIPE investment opportunities.

5 contacts available at Essex Woodlands Healthcare Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Brooks Andrews | Associate | — |
| Guido Neels | Managing Director | — |
| Immanuel Thangaraj | Managing Director | — |
| Martin Sutter | Managing Director, Co-Founder | — |
| Robert White | Operating Partner | — |

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## FAQ

### What does Immanuel Thangaraj invest in?

Immanuel Thangaraj invests primarily in Medical, Health Care and Therapeutics startups, most often at Series C and Debt Financing 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 Immanuel Thangaraj?

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 Immanuel Thangaraj last invest?

The most recent investment recorded for Immanuel Thangaraj closed in Sep 2015. 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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