# Stephen Plumlee

> Stephen Plumlee is a seed investor at Leap Venture Studio backing Software. See 20 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Leap Venture Studio](https://shizune.co/investors/profile/leap-venture-studio)
- Location: New York, United States
- Total investments: 20
- Last investment: Jun 2023
- Lead investor: 20%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/stephenplumlee
- X (Twitter): http://twitter.com/StephenPlumlee
- Website: https://x.com/StephenPlumlee

Stephen Plumlee is a seed investor at Leap Venture Studio in New York focused on Software and Big Data. Stephen Plumlee is the Vice Chairman of R/GA. He attended Columbia University in the City of New York.

## Contacts

5 contacts available for Stephen Plumlee: 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/stephen-plumlee?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 9 | 45% |
| Big Data | 3 | 15% |
| Hardware | 3 | 15% |
| Internet | 3 | 15% |
| Analytics | 3 | 15% |

58 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 14 | 70% |
| Pre-Seed | 2 | 10% |
| Grant | 1 | 5% |
| Series A | 1 | 5% |
| Funding Round | 1 | 5% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 16 | 80% |
| Uganda | 1 | 5% |
| Pakistan | 1 | 5% |
| Puerto Rico | 1 | 5% |
| Switzerland | 1 | 5% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| SEPTEMBER | September is a female-owned, environmentally conscious swim and sportswear brand that empowers women to live their best adventures. SEPTEMBER suits are built for comfort and durability both in and out of the water. | $25K | Grant | Jun 01, 2023 |  |
| Curastory | Curastory is a video enablement tool for creators allowing them to edit, monetize, distribute, and analyze their videos across social media. For monetization, we are the first programmatic media buying solution for creator ad reads. | $100K | Seed | Sep 30, 2022 |  |
| Concord | Concord’s privacy-first data consent platform protects, connects, and rewards people and the brands they engage with. |  | Seed | Aug 20, 2019 |  |
| Patientory | Patientory is empowering people to take charge of their own health. They’re revolutionizing the way doctors and patients interact and gain access to information, cutting out all layers and processes that currently are stumbling blocks in care coordination. They connect doctors, care providers, and consumers all within a single, secure platform –creating a care team that works together to provide the best care. |  | Seed | Aug 05, 2019 |  |
| Mission Secure | Mission Secure®, an OT cybersecurity leader, is setting a new standard in OT cyber-protection stopping OT cyber threats head-on. The Mission Secure Platform backed by 24/7 Managed Services is the first to seamlessly integrate OT visibility, segmentation, protection, threat hunting, and incident response, delivering military strength,industrial grade OT protection. With Mission Secure, customers keep critical operations up and running and safe from harm. Learn more at https://www.missionsecure.com. | $8.6M | Series A | Oct 10, 2018 |  |
| Freedom Audio | Drifter's customized operating system allows you to download songs from your favorite music apps (like Spotify and Beats Music) and play music on the go. Drifter has built-in WiFi, Bluetooth and a 16 GB hard-drive | $120K | Seed | Oct 15, 2014 |  |
| Enertiv | Enertiv is a real estate technology company that transforms building data into asset value. Our platform streamlines building operations by digitizing the physical infrastructure of commercial real estate portfolios. We collect better data, faster and more affordably than anyone else, enabling owners and operators to eliminate waste within theirlargest and most controllable operating expenses.In addition to utilizing existing data sources, we deploy IoT devices to continuously track every critical piece of equipment, tenant space, and indoor environmental condition to enable operators to ensure peak performance of their assets around the clock. | $1.2M | Seed | Sep 01, 2014 |  |
| Owlet Baby Care | The Owlet Baby Monitor is a proactive health monitor for sleeping infants that allows parents to view their child's vital signs in real time. Owlet will alert the parent if there are low blood oxygen and heart rate levels giving parents peace of mind knowing that their baby is watched over. | $120K | Seed | Dec 03, 2013 |  |
| Hammerhead | Hammerhead believes in a world where cyclists can use sophisticated, integrated software to achieve their athletic potential and enhance their rides. | $120K | Pre-Seed | Dec 03, 2013 |  |
| Grove | Grove builds products to make local, healthy food accessible to everyone. They're a team from MIT empowering people with tools to easily grow their own fruits and vegetables right in their homes, year round. They believe that home farming appliances will become as ubiquitous as refrigerators. | $120K | Seed | Dec 03, 2013 |  |

10 of 20 investments shown.

## Co-investors
- [Techstars](https://shizune.co/investors/profile/techstars) — VC Fund, 8 deals together
- [Macquarie Capital](https://shizune.co/investors/profile/macquarie-capital-funds) — VC Fund, 2 deals together
- [37 Angels](https://shizune.co/investors/profile/37-angels) — VC Fund, 1 deal together
- [Google for Startups](https://shizune.co/investors/profile/black-founders-fund) — VC Fund, 1 deal together
- [Blue Bear Capital](https://shizune.co/investors/profile/blue-bear-capital) — VC Fund, 1 deal together
- [Chevron Technology Ventures](https://shizune.co/investors/profile/chevron-technology-ventures) — VC Fund, 1 deal together

## About Leap Venture Studio

VC Fund · Los Angeles, United States

Leap Venture Studio is the first startup accelerator focused on pet care. Mars Petcare and Michelson Found Animals' commitment to improving the lives of pets and their owners through science, technology, and innovation is embodied in the Studio. R/GA, a world-class services platform that connects our startups with award-winningstrategists, technologists, designers, and consultants, supports the Venture Studio. The Leap Venture Studio is the most effective startup accelerator in the pet care industry, thanks to the combined networks and resources of R/GA, Mars Petcare (Kinship), and Michelson Found Animals.Each cohort of the annual program consists of 6-8 companies that work in the studio with the Leap partners for a total of 12 weeks. The Studio program is based in Los Angeles, but participants are not required to be present for the entire duration. The Leap Venture Studio is highly tailored to the specific requirements of each company in the cohort.The Leap Venture Studio concludes with a live pitch event in which Studio companies pitch to investors, industry leaders, and the startup community. If chosen for the program, studios can receive up to $200K in funding.

4 contacts available at Leap Venture Studio.

| Name | Title | Profile |
| --- | --- | --- |
| Aimee Gilbreath | Partner | — |
| Andrew Luna | Accelerator Program (Cohort 5) | — |
| Dylan Boyd | Managing Director | https://shizune.co/investors/profile/dylan-boyd-2 |
| Stephen Plumlee | Founder | — |

## 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 Stephen Plumlee invest in?

Stephen Plumlee invests primarily in Software, Big Data and Hardware startups, most often at Seed and Pre-Seed stage. Most of the 20 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 Stephen Plumlee?

Public channels for Stephen Plumlee 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.

### When did Stephen Plumlee last invest?

The most recent investment recorded for Stephen Plumlee closed in Jun 2023. Shizune tracks 20 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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