# Richelle Martin

> Richelle Martin is a seed investor at Winnow Fund backing Medical and Software. See 2 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Winnow Fund](https://shizune.co/investors/profile/winnow-fund)
- Location: Madison, United States
- Total investments: 2
- Last investment: May 2024
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/richelle-martin/

Richelle Martin is a seed investor at Winnow Fund in Madison focused on Medical and Software. Richelle Martin is the Founder and Managing Director at Winnow Fund. Richelle Martin attended the University of Wisconsin-Madison.

## Contacts

5 contacts available for Richelle Martin: 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/richelle-martin-0e84?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical | 1 | 50% |
| Software | 1 | 50% |
| Publishing | 1 | 50% |
| Health Care | 1 | 50% |
| Biotechnology | 1 | 50% |

7 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| DropCap | DropCap is a tech-enabled rights agency (dropcap.com) and a global rights marketplace used by rights agents and acquisitions editors around the world to find great books (dropcapmarketplace.com). Our mission is to provide independent authors and publishers access to rights licensing opportunities and help indie books go global through foreignrights, audio, and film rights licensing. | $1.2M | Seed | May 02, 2024 | https://www.dropcap.com/ |
| Plumb Pharmaceuticals | Plumb Pharmaceuticals produces super-extended-release formulations of weak-base, small-molecule pharmaceuticals using creative quantload technologies that were developed by the company. By providing stimulants for the treatment of ADHD, anti-HIV medications, antibiotics, antipsychotics, cancer chemotherapeutic agents, antihistamines, andanalgesics, the company's lipid nanoparticle technology enables the healthcare sector to enhance people's health. |  | Seed | Jan 01, 2022 | https://www.plumbpharma.com |

2 of 2 investments shown.

## Co-investors
- [Gateway Capital Partners](https://shizune.co/investors/profile/gateway-capital-partners) — VC Fund, 1 deal together
- [Idea Fund of La Crosse](https://shizune.co/investors/profile/idea-fund-of-la-crosse) — VC Fund, 1 deal together
- [Lancaster Investments](https://shizune.co/investors/profile/lancaster-investment) — VC Fund, 1 deal together
- [Wisconsin Investment Partners](https://shizune.co/investors/profile/wisconsin-investment-partners) — VC Fund, 1 deal together

## About Winnow Fund

VC Fund · Madison, United States

The Winnow Fund is a venture capital fund located in Madison, Wisconsin. The Fund invests in Wisconsin-based early-stage companies, and has a particular interest in opportunities arising on college and university campuses.

2 contacts available at Winnow Fund.

| Name | Title | Profile |
| --- | --- | --- |
| Daniel Sem | Investment Committee - Observer | https://shizune.co/investors/profile/daniel-sem-7184 |
| Richelle Martin | Founder & Managing Director | https://shizune.co/investors/profile/richelle-martin-0e84 |

## 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 Richelle Martin invest in?

Richelle Martin invests primarily in Medical, Software and Publishing startups, most often at 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.

### How do I contact Richelle Martin?

Public channels for Richelle Martin include LinkedIn. 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 Richelle Martin last invest?

The most recent investment recorded for Richelle Martin closed in May 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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