# Prolog Ventures

> Prolog Ventures is a VC fund backing Biotechnology and Health Care. See 45 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: St Louis, United States
- Total investments: 45
- Last investment: Oct 2020
- Lead investor: 20%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/company/prolog-ventures
- X (Twitter): http://twitter.com/PrologVentures
- Website: http://www.prologventures.com

Prolog Ventures is a VC fund in St Louis focused on Biotechnology and Health Care. Prolog backs companies that help all of us enjoy healthy lives in a healthy world

## Contacts

5 contacts available for Prolog Ventures. Shizune tracks 8 team members at Prolog Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/prolog-ventures?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biotechnology | 19 | 42% |
| Health Care | 16 | 36% |
| Medical Device | 5 | 11% |
| Medical | 4 | 9% |
| Food and Beverage | 4 | 9% |

40 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 10 | 22% |
| Series B | 10 | 22% |
| Funding Round | 7 | 16% |
| Series C | 5 | 11% |
| Series D | 2 | 4% |

9 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 26 | 58% |
| Canada | 1 | 2% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Greg Johnson | Founder & Managing Director | 2 | https://shizune.co/investors/profile/greg-johnson-2 |
| Ilya Nykin | Co-founder & Managing Director | 2 | https://shizune.co/investors/profile/iliya-nykin |
| Brian Clevinger | Founder & Managing Director | 7 | https://shizune.co/investors/profile/brian-clevinger |
| Courtney Harris | Controller | 0 | https://shizune.co/investors/profile/courtney-harris |
| Dan Broderick | Venture Partner | 2 | https://shizune.co/investors/profile/dan-broderick |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Benson Hill | Benson Hill is a crop improvement company that unlocks the natural diversity of plants and empowers innovators with a revolutionary crop design platform to develop healthier and more sustainable food and ingredients.Benson Hill empowers innovators to develop more healthy, flavorful, and sustainable food by unlocking the natural genetic diversityof plants. Benson Hill’s CropOS™ platform combines machine learning and big data with breeding techniques and plant biology to drastically accelerate and simplify the product development process. | $150M | Series D | Oct 29, 2020 |  |
| CleanSlate UV | CleanSlate UV allows staff, patients and visitors to sanitize their personal items (such as phones, tablets and badges) while they wash or sanitize their hands. This helps improve hand hygiene and reduce the risk of hospital acquired infections. Its mission is simple: eliminate pathogens on mobile devices through the use of effective andeasy-to-use UV products. We do this by designing technologies that people will actually use, backed by science reflective of real-world conditions. CleanSlate harness the power of UV light to kill the most dangerous bacteria without damaging expensive touch screens. | $7M | Series A | Apr 15, 2020 |  |
| CleanSlate UV | CleanSlate UV allows staff, patients and visitors to sanitize their personal items (such as phones, tablets and badges) while they wash or sanitize their hands. This helps improve hand hygiene and reduce the risk of hospital acquired infections. Its mission is simple: eliminate pathogens on mobile devices through the use of effective andeasy-to-use UV products. We do this by designing technologies that people will actually use, backed by science reflective of real-world conditions. CleanSlate harness the power of UV light to kill the most dangerous bacteria without damaging expensive touch screens. | $7M | Series A | Apr 15, 2020 |  |
| Covercress | CoverCress is a biotechnology company that focuses on research and development of renewable fuel and livestock feed. It specializes in producing an oilseed crop for food, bioenergy, and cattle feed. It specializes in the fields of agriculture, biotechnology, plants, genetics, cover crop, and precision agriculture.CoverCress was founded in 2013 byJerry Steiner and Dr. Tim Ulmasov and is headquartered in St. Louis Missouri. | $5M | Venture - Series Unknown | Apr 13, 2020 |  |
| Kinnos | Kinnos is a biotechnology company pioneering color technology to revolutionize how they use disinfectants. The company's first product, Highlight, is a point-of-use additive that greatly improves visibility and end-user compliance of disinfectants. Their goal is to empower people to disinfect surfaces with confidence and to provide societywith peace of mind through disinfection they can see. | $6M | Series A | Mar 05, 2020 |  |
| SchoolCare | SchoolCare delivers free health technology for K-12 public schools to help school nurses deliver care and keep students safe. It is a digital health platform for the largest and most consistent health delivery system in the country. Their mission is to work with partners to provide a unified health record for every family. SchoolCare leveragespediatric health data and this country’s most successful public health organization, the K-12 school system, to improve outcomes and learn about clinical health data outside of the provider’s office. Traditional care coordination stops short of sending essential care instructions to School Nurses and thus increases the risk of stopped or inconsistent post-discharge care delivery. By closing the link in the pediatric care continuum, children stay healthy and get better faster. | $24.3M | Series C | Feb 15, 2019 |  |
| Covercress | CoverCress is a biotechnology company that focuses on research and development of renewable fuel and livestock feed. It specializes in producing an oilseed crop for food, bioenergy, and cattle feed. It specializes in the fields of agriculture, biotechnology, plants, genetics, cover crop, and precision agriculture.CoverCress was founded in 2013 byJerry Steiner and Dr. Tim Ulmasov and is headquartered in St. Louis Missouri. | $2M |  | Nov 13, 2018 |  |
| Toma Biosciences | TOMA Biosciences is a genomics company that provides physicians with information to optimize treatment for cancer patients. TOMA’s proprietary sequencing solution turns the latest next=generation sequencing (NGS) technology into a powerful digital tool to detect the most clinically meaningful changes in a patient’s tumor DNA. Physicians use thisimportant data to optimize treatment for their patients.TOMA technology enables laboratories to uncover the DNA alterations in cancer cells to provide meaningful data for researchers and clinicians seeking the optimal treatment options for their patients. The company is a commercial-stage private venture-backed company headquartered in Foster City, California. | $3.6M | Series C | Jul 21, 2018 |  |
| Spindrift | Spindrift is a food and beverage company that produces a line of unsweetened sparkling beverages made with real squeezed fruit. They offer sparkling water plus real fruit with different flavors. They also provide drinks such as half and a half which is tea brewed with lemon, raspberry lime, strawberry, and many more.It was founded in 2010 and isbased in Newton, Massachusetts. | $20M | Series B | Mar 15, 2018 |  |
| Spindrift | Spindrift is a food and beverage company that produces a line of unsweetened sparkling beverages made with real squeezed fruit. They offer sparkling water plus real fruit with different flavors. They also provide drinks such as half and a half which is tea brewed with lemon, raspberry lime, strawberry, and many more.It was founded in 2010 and isbased in Newton, Massachusetts. | $10M | Series B | May 03, 2017 |  |

10 of 45 investments shown.

## Co-investors
- [Burrill & Company](https://shizune.co/investors/profile/burrill-co) — VC Fund, 8 deals together
- [Great Spirit Ventures](https://shizune.co/investors/profile/great-spirit-ventures) — VC Fund, 7 deals together
- [GBS Ventures](https://shizune.co/investors/profile/gbs-ventures) — VC Fund, 4 deals together
- [Unilever Ventures](https://shizune.co/investors/profile/unilever-ventures) — VC Fund, 4 deals together
- [Chrysalix Venture Capital](https://shizune.co/investors/profile/chrysalix-energy) — VC Fund, 3 deals together
- [Prelude Ventures](https://shizune.co/investors/profile/prelude-ventures-llc) — VC Fund, 3 deals together

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## FAQ

### What does Prolog Ventures invest in?

Prolog Ventures invests primarily in Biotechnology, Health Care and Medical Device startups, most often at Series A and Series B stage. Most of the 45 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 Prolog Ventures?

Public channels for Prolog Ventures include LinkedIn, X (Twitter) and 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 Prolog Ventures?

The team at Prolog Ventures includes Greg Johnson (Founder & Managing Director), Ilya Nykin (Co-founder & Managing Director) and Brian Clevinger (Founder & Managing Director), among 8 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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