# Mousse Partners

> Mousse Partners is a VC fund in New York backing E-Commerce and Fashion. See 68 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: New York, United States
- Total investments: 68
- Last investment: Jan 2026
- Lead investor: 24%
- Fund size: $15M
- Last fund: May 2015
- Last updated: Aug 2026
- Website: http://www.mousse-partners.com/

Mousse Partners is a venture capital firm.

## Contacts

5 contacts available for Mousse Partners. Shizune tracks 7 team members at Mousse Partners. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/mousse-partners?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Series B | $8.5M–$70M |
| Series C | $12M–$200M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| E-Commerce | 14 | 21% |
| Fashion | 7 | 10% |
| Internet | 6 | 9% |
| Food and Beverage | 6 | 9% |
| Retail | 5 | 7% |

107 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series C | 18 | 26% |
| Series B | 13 | 19% |
| Funding Round | 11 | 16% |
| Series A | 9 | 13% |
| Seed | 4 | 6% |

11 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 41 | 60% |
| India | 3 | 4% |
| France | 3 | 4% |
| Finland | 1 | 1% |
| The Netherlands | 1 | 1% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Celia Holtzberg | Managing Director | 0 | https://shizune.co/investors/profile/celia-holtzberg |
| Jean Hoysradt | Chief Investment Officer | 0 | https://shizune.co/investors/profile/jean-hoysradt |
| Nish Goel | Portfolio Manager | 0 | https://shizune.co/investors/profile/nish-goel |
| Rich Horvath | Director | 0 | https://shizune.co/investors/profile/rich-horvath |
| Ross Goodwin | Portfolio Manager | 0 | https://shizune.co/investors/profile/ross-goodwin |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| MeetMind | MeetMind automatically turns meetings into clear decisions, action items, and follow-ups. | $1.3M | Pre-Seed | Jan 22, 2026 |  |
| Heidrick & Struggles International | Heidrick & Struggles International, Inc. provides executive search and leadership consulting services in the Americas, Europe, and the Asia Pacific. It facilitates the recruitment, management, and deployment of senior executives for its clients' executive management and board positions. The company's leadership consulting servicesinclude succession planning, talent retention management, executive assessment, executive development, transition consulting for newly appointed executives, and M&A human capital integration consulting. Its customers include Fortune 1000 companies; the major non-U.S. companies; middle market and emerging growth companies; governmental, higher education, and not-for-profit organizations; and private and public entities. |  | Private Equity | Dec 10, 2025 |  |
| Rockefeller Capital Management | From its roots over a century ago as a private investment office to the diversified financial services firm that it is today, Rockefeller & Co. has always taken pride in the integrity, depth, and vision of its professionals. Today, Rockefeller & Co. serves a wide range of individuals and institutions. Successful families and individualsrely on their planning and wealth management skills in seeking to preserve, diversify, and grow their wealth – often from one generation to the next. Institutional investors select them for their asset management expertise. Charitable and other organizations recognize the sophistication of their financial and investment services, as well as their longstanding credentials, in the nonprofit world. Rockefeller & Co.remain,s as we have been since their inception, the financial stewards of one of America’s great family legacies. |  | Private Equity | Oct 14, 2025 |  |
| The ROW | The ROW is an organization that sells various range of ready-to-wear, eyewear, handbags, focusing on fine fabrics and the perfect fit. |  | Private Equity | Sep 12, 2024 |  |
| The Brandtech Group | The Brandtech Group (formerly You & Mr Jones) is a marketing technology group that helps brands do their marketing better, faster and cheaper using the latest technology. | $115M | Series C | Mar 28, 2024 |  |
| Brightside Health | Brightside Health is a mental health care company that helps employees better navigate and manage their financial well-being. The company makes it simple and affordable to get expert, personalized treatment for depression and anxiety all from the comfort of home. Their mission is to help people lead healthy, vital, and productive lives by making iteasy and affordable to get high-quality depression and anxiety care.Brightside was founded in 2017 and is headquartered in San Francisco, California, United States. | $33M | Series C | Mar 26, 2024 |  |
| Bravo Sierra | Bravo Sierra is the first military-native performance wellness company, pioneering a user-driven performance personal care and nutrition organization developed within the U.S. military community. Powered by the insight generated through social manufacturing including direct collaboration with its core community of 1,000 U.S. military active dutyservice members, the company delivers performance goods with unprecedented responsiveness and accuracy for those who serve and for the benefit of all. Designed to support and enhance today's ultra-active lifestyle and engineered with critically relevant innovation and stress-tested in the field, the products include first-to-market technologies and formulas that are clean, vegan, and cruelty-free. Bravo Sierra is built around a revenue share model contributing 5% of all sales to the Morale Welfare and Recreation (MWR) program, which offers a complete range of community support and quality of life programs for members of the U.S. Armed Forces, their families, retirees, and veterans. | $17M | Series B | Aug 18, 2022 |  |
| Evolved By Nature | Evolved by Nature, based in Boston, was started by biomedical engineer Rebecca Lacouture and chemist Gregory Altman in 2013. Their product is pure silk in liquid form, a regenerative technology made from discarded silkworm cocoons. The company has patented dozens of molecular combinations of the natural silk protein since filing its firstapplication in 2014. | $120M | Series C | Jun 30, 2022 |  |
| Brightside Health | Brightside Health is a mental health care company that helps employees better navigate and manage their financial well-being. The company makes it simple and affordable to get expert, personalized treatment for depression and anxiety all from the comfort of home. Their mission is to help people lead healthy, vital, and productive lives by making iteasy and affordable to get high-quality depression and anxiety care.Brightside was founded in 2017 and is headquartered in San Francisco, California, United States. | $50M | Series B | Mar 28, 2022 |  |
| Evolved By Nature | Evolved by Nature, based in Boston, was started by biomedical engineer Rebecca Lacouture and chemist Gregory Altman in 2013. Their product is pure silk in liquid form, a regenerative technology made from discarded silkworm cocoons. The company has patented dozens of molecular combinations of the natural silk protein since filing its firstapplication in 2014. | $70M | Series B | Dec 24, 2021 |  |

10 of 68 investments shown.

## Co-investors
- [Danone Manifesto Venture](https://shizune.co/investors/profile/danone-manifesto-venture) — VC Fund, 5 deals together
- [Glynn Capital Management](https://shizune.co/investors/profile/glynn-capital-management) — VC Fund, 5 deals together
- [Upfront Ventures](https://shizune.co/investors/profile/upfront-ventures) — VC Fund, 5 deals together
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 4 deals together
- [Greycroft](https://shizune.co/investors/profile/greycroft) — VC Fund, 4 deals together
- [AccelFoods](https://shizune.co/investors/profile/accelfoods) — VC Fund, 3 deals together

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## FAQ

### What does Mousse Partners invest in?

Mousse Partners invests primarily in E-Commerce, Fashion and Internet startups, most often at Series C and Series B stage. Most of the 68 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Mousse Partners's check size?

Mousse Partners typically joins rounds of $8.5M–$70M at Series B and $12M–$200M at Series C. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Mousse Partners participates in.

### How do I contact Mousse Partners?

Public channels for Mousse Partners include the website linked on this profile. 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.

### Who are the partners at Mousse Partners?

The team at Mousse Partners includes Celia Holtzberg (Managing Director), Jean Hoysradt (Chief Investment Officer) and Nish Goel (Portfolio Manager), among 7 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.

### 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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