# Isaac Oates

> Isaac Oates is a seed investor at Justworks backing Health Care and Artificial Intelligence. See 7 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Justworks](https://shizune.co/investors/profile/justworks)
- Location: New York, United States
- Total investments: 7
- Last investment: Nov 2023
- Lead investor: 14%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/ioates
- X (Twitter): http://twitter.com/ioates
- Website: https://x.com/ioates

Isaac Oates is a seed investor at Justworks in New York focused on Health Care and Artificial Intelligence. Isaac Oates is based out of New York city, New York and is the Founder & Director of Justworks. Isaac previously worked at Etsy as a VP, Special Projects. Isaac Oates attended the Cornell University. Isaac Oates has received Henry Crown Fellow award.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $570k–$4.2M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 2 | 29% |
| Artificial Intelligence | 2 | 29% |
| B2B | 1 | 14% |
| Mobile | 1 | 14% |
| Chatbot | 1 | 14% |

19 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 5 | 71% |
| Grant | 1 | 14% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 4 | 57% |
| France | 1 | 14% |
| South Africa | 1 | 14% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Osium AI | Osium AI revolutionize materials development cycles through AI-driven methodologies. | $2.6M | Seed | Nov 22, 2023 |  |
| FoondaMate | FoondaMate is a chatbot that makes education accessible to students in developing countries using Facebook and WhatsApp. | $2M | Seed | May 24, 2022 |  |
| Maven Project | Maven Project is a primary care centre. Their services include medical consultations, medical education, allergy and immunology, cardiology, dermatology, eating disorders, endocrinology, mental health, and neurology. | $25K | Grant | Jul 08, 2021 |  |
| Lately | Lately is the only A.I.-powered social media marketing management platform that creates content FOR you and pre-vets it with your target audience. | $750K | Seed | Mar 14, 2018 |  |
| Braavo Capital | Braavo provides revenue-based financing to mobile app and game developers worldwide. Whether you're a an early-stage health and fitness app or a multi-million dollar mobile gaming publisher, Braavo is your partner for flexible, affordable and on-demand financing.Founded in 2015, Braavo is headquartered in New York City. The company hasfunded nearly half a billion dollars to the top app companies in the world and is backed by investors including e.ventures, SWS Venture Capital, SV Angel, BoxGroup, Upper90, and a number of successful angels and entrepreneurs from the fintech and mobile community. | $935K | Seed | Dec 01, 2017 |  |
| Lively | Lively is a modern Health Savings Account (HSA) platform for employers and individuals. Lively’s user-centric solution creates an intuitive user experience allowing consumers to get the most out of their HSA. | $4.2M | Seed | Sep 27, 2017 |  |
| Lately | Lately is the only A.I.-powered social media marketing management platform that creates content FOR you and pre-vets it with your target audience. | $570K | Seed | Jun 15, 2016 |  |

7 of 7 investments shown.

## Co-investors
- [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund, 2 deals together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 2 deals together
- [Atomico](https://shizune.co/investors/profile/atomico) — VC Fund, 1 deal together
- [Base Capital](https://shizune.co/investors/profile/base-capital-f609) — VC Fund, 1 deal together
- [BoxGroup](https://shizune.co/investors/profile/boxgroup) — VC Fund, 1 deal together
- [Cantos](https://shizune.co/investors/profile/cantos-ventures) — VC Fund, 1 deal together

## About Justworks

VC Fund · New York, United States

Founded in 2012, Justworks makes it easier to start, run, and grow a business. Through our software and as a partner, we help our entrepreneurs take care of their teams, streamline their operations, and navigate the complex aspects of managing a workforce with confidence. Our flexible platform empowers them to assemble powerful self-servicecapabilities to meet their payroll, tax, HR, and compliance needs. Plus, we’ve got their back with 24/7 human support, on-demand expertise, and access to high-quality benefits designed for the modern workforce.

5 contacts available at Justworks.

| Name | Title | Profile |
| --- | --- | --- |
| Adam Mark | Senior Software Engineer | https://shizune.co/investors/profile/adam-mark |
| Camilla Velasquez | SVP, Product | https://shizune.co/investors/profile/camilla-velasquez |
| Isaac Oates | Founder & Director | https://shizune.co/investors/profile/isaac-oates |
| Jos White | Investor | https://shizune.co/investors/profile/jos-white |
| Matthew Tom-Wolverton | Director of Engineering | https://shizune.co/investors/profile/matthew-tom-wolverton |

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## FAQ

### What does Isaac Oates invest in?

Isaac Oates invests primarily in Health Care, Artificial Intelligence and B2B startups, most often at Seed and Grant stage. Most of the 7 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 Isaac Oates's check size?

Isaac Oates typically joins rounds of $570k–$4.2M 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 Isaac Oates participates in.

### When did Isaac Oates last invest?

The most recent investment recorded for Isaac Oates closed in Nov 2023. Shizune tracks 7 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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