# Sean Ammirati

> Sean Ammirati is a seed investor at AppCertain (Pittsburgh) backing SaaS and B2B. See 6 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [AppCertain](https://shizune.co/investors/profile/appcertain)
- Location: Pittsburgh, United States
- Total investments: 6
- Last investment: Jul 2018
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/seanammirati
- X (Twitter): http://twitter.com/SeanAmmirati
- Website: http://www.seanammirati.com

Sean Ammirati is a seed investor at AppCertain in Pittsburgh focused on SaaS and B2B. Sean Ammirati has 3 current jobs including Co-Founder & Board Member at AppCertain, Partner at Birchmere Ventures, and Distinguished Service Professor of Entrepreneurship at Carnegie Mellon University. Additionally, Sean Ammirati has had 3 past jobs including COO at ReadWrite. He attended Grove City College.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| SaaS | 2 | 33% |
| B2B | 1 | 17% |
| Internet | 1 | 17% |
| Software | 1 | 17% |
| Insurance | 1 | 17% |

16 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 50% |
| Series B | 1 | 17% |
| Series C | 1 | 17% |
| Series D | 1 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Walkthrough | Walkthrough enables agents to book the services they need, at the best prices, instantly, without sacrificing quality. | $1.4M | Seed | Jul 17, 2018 |  |
| JazzHR | JazzHR is powerful, user-friendly and affordable recruiting software built to help growing companies exceed their recruiting goals. JazzHR's best-in-class solution replaces manual, time-consuming hiring tasks with intuitive tools and automation, empowering hiring managers to recruit and hire the right talent faster. To learn more about JazzHR,visit jazzhr.com. | $6.6M | Series D | Oct 25, 2017 |  |
| JOANY | Joany is your trusted healthcare concierge. We simplify buying and using health insurance, all year long. Using data, machine learning and humans, Joany takes of everything healthcare, so you don't have to. | $1.3M | Seed | Apr 27, 2016 |  |
| Containership | Fully automate, scale, and deliver, any application in any cloud or datacenter. Seamlessly expand into new providers, or migrate with a click. |  | Seed | Apr 01, 2016 |  |
| JazzHR | JazzHR is powerful, user-friendly and affordable recruiting software built to help growing companies exceed their recruiting goals. JazzHR's best-in-class solution replaces manual, time-consuming hiring tasks with intuitive tools and automation, empowering hiring managers to recruit and hire the right talent faster. To learn more about JazzHR,visit jazzhr.com. | $15M | Series C | Aug 19, 2014 |  |
| JazzHR | JazzHR is powerful, user-friendly and affordable recruiting software built to help growing companies exceed their recruiting goals. JazzHR's best-in-class solution replaces manual, time-consuming hiring tasks with intuitive tools and automation, empowering hiring managers to recruit and hire the right talent faster. To learn more about JazzHR,visit jazzhr.com. | $2.1M | Series B | Oct 30, 2012 |  |

6 of 6 investments shown.

## Co-investors
- [Rincon Venture Partners](https://shizune.co/investors/profile/rincon-venture-partners) — VC Fund, 3 deals together
- [Volition Capital](https://shizune.co/investors/profile/volition-capital) — VC Fund, 2 deals together
- [Birchmere Ventures](https://shizune.co/investors/profile/birchmere-ventures) — VC Fund, 1 deal together
- [Blue Cloud Ventures](https://shizune.co/investors/profile/blue-cloud-ventures) — VC Fund, 1 deal together
- [Draper Triangle](https://shizune.co/investors/profile/draper-triangle-ventures) — VC Fund, 1 deal together
- [LaunchCapital](https://shizune.co/investors/profile/launchcapital) — VC Fund, 1 deal together

## About AppCertain

VC Fund



1 contacts available at AppCertain.

| Name | Title | Profile |
| --- | --- | --- |
| Sean Ammirati | Co-Founder & Board Member | https://shizune.co/investors/profile/sean-ammirati |

## 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 Sean Ammirati invest in?

Sean Ammirati invests primarily in SaaS, B2B and Internet startups, most often at Seed and Series B stage. Most of the 6 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Sean Ammirati last invest?

The most recent investment recorded for Sean Ammirati closed in Jul 2018. Shizune tracks 6 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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