# Adam Zeplain

> Adam Zeplain is a seed investor at Mark Ventures (Austin) backing Cannabis and B2B. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Mark Ventures](https://shizune.co/investors/profile/mark-ventures)
- Location: Austin, United States
- Total investments: 4
- Last investment: Dec 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/adam-zeplain-81b29521/
- X (Twitter): https://twitter.com/adamzeplain
- Website: https://x.com/adamzeplain

Adam Zeplain is a seed investor at Mark Ventures in Austin focused on Cannabis and B2B. Adam Zeplain is the Co-Founder and Managing Partner at Mark Ventures. He focused on investing early-stage in areas such as Consumer Internet/Media, Consumer Packaged Goods, Enterprise SaaS, Marketplaces, and E-commerce. Adam serves on the Board of Advisors of Soma Capital (Ranadive's seed-stage YC focused fund), data. world, Umbel.Adam also serves on the Advisory Council of Andela.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $4.1M–$9.2M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Cannabis | 2 | 50% |
| B2B | 1 | 25% |
| Retail | 1 | 25% |
| Farming | 1 | 25% |
| Medical | 1 | 25% |

15 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 75% |
| Series A | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| OnProfit | OnProfit is an enterprise solutions company that provides revenue automation and growth solutions using AI. |  | Seed | Dec 03, 2025 |  |
| Prima | Prima is a best-in-class, purpose-driven holistic wellness brand elevating hemp-based CBD and functionally innovative botanicals. Its core mission is to rise up against the modern day stress epidemic through education and products made with the highest standards of purity, potency and transparency. Prima is built on the essential principle thatbalance is a critical part of health and happiness — and that we all deserve better. Prima is a privately held Public Benefit Corporation (PBC) based in Santa Monica, CA. | $9.2M | Seed | May 21, 2021 |  |
| Full Harvest | Full Harvest helps growers get the most out of a harvest and food companies save money by bringing farm excess to market.We are a B2B platform connecting large farms to food businesses to sell significantly discounted, yet perfectly good surplus and imperfectly shaped produce that would have otherwise gone to waste.Approx. 20 billion pounds ofproduce go to waste in the U.S. annually simply because they are not perfectly shaped for strict retailer standards. We aim to solve this problem by creating a marketplace for this unutilized edible and delicious produce.Our vision is three-fold: bring an additional revenue stream to farmers, lower the cost of healthy food production, while significantly reducing wasted food and resources. A win-win for everyone. | $8.5M | Series A | Aug 15, 2018 |  |
| Herb | Herb is a Cannabis website and community that curates and understands cannabis as a medicine and therapeutic herb. | $4.1M | Seed | Aug 29, 2017 |  |

4 of 4 investments shown.

## Co-investors
- [Lerer Hippeau](https://shizune.co/investors/profile/lerer-ventures) — VC Fund, 3 deals together
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 1 deal together
- [BBG Ventures](https://shizune.co/investors/profile/bbg-ventures) — VC Fund, 1 deal together
- [Bullpen Capital](https://shizune.co/investors/profile/bullpen-capital) — VC Fund, 1 deal together
- [Cultivian Sandbox Ventures](https://shizune.co/investors/profile/cultivian-sandbox-ventures) — VC Fund, 1 deal together
- [Defy.vc](https://shizune.co/investors/profile/defy-partners) — VC Fund, 1 deal together

## About Mark Ventures

VC Fund · Buenos Aires, Argentina

Mark Ventures invests in small and high growth potential companies in the Argentinean market, with a clear opportunity to growth regionally or internationally. We become minority but significant stockholders and work through the company’s growth process.We work alongside entrepreneurs to build lasting companies with international growthpotential. We have both the financial strength and the deep operating experience it takes to make a meaningful difference in our portfolio companies. Through our extensive network of global contacts, we are able to help our companies successfully grow and internationalize.

2 contacts available at Mark Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Adam Zeplain | Co-Founder, Managing Partner | https://shizune.co/investors/profile/adam-zeplain |
| Andy Bursten | Co-Founder | https://shizune.co/investors/profile/andy-bursten |

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## Featured in investor lists
- [Cannabis Angel Investors](https://shizune.co/investors/cannabis-angel-investors)
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## FAQ

### What does Adam Zeplain invest in?

Adam Zeplain invests primarily in Cannabis, B2B and Retail startups, most often at Seed and Series A stage. Most of the 4 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 Adam Zeplain's check size?

Adam Zeplain typically joins rounds of $4.1M–$9.2M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Adam Zeplain participates in.

### When did Adam Zeplain last invest?

The most recent investment recorded for Adam Zeplain closed in Dec 2025. Shizune tracks 4 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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