# John Greathouse

> John Greathouse is a Series B investor at RevUpNet backing Marketing and Advertising. See 13 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [RevUpNet](https://shizune.co/investors/profile/revupnet)
- Location: Santa Barbara, United States
- Total investments: 13
- Last investment: Oct 2017
- Lead investor: 31%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/pub/john-greathouse/0/26/994
- X (Twitter): http://twitter.com/johngreathouse
- Website: http://johngreathouse.com/
- Facebook: https://www.facebook.com/infochachkie-155335147857235

John Greathouse is a Series B investor at RevUpNet in Santa Barbara focused on Marketing and Advertising. John has held a number of senior executive positions with successful startups during the past fifteen years. At Computer Motion (RBOT), he was the CFO and VP of Business Development. At Citrix Online (CTXS – formerly Expertcity), Greathouse served as CFO and SVP of Strategic Development. At CallWave, he served as the SVP of Sales & Bus Dev.In his capacities at Computer Motion and Citrix, Greathouse spearheaded transactions which generated more than $350 million of shareholder value, including Computer Motion’s initial public offering and the sale of Expertcity to Citrix for over $230M. Greathouse is currently a Faculty member of UCSB’s Technology Management Program and a Venture Partner at Rincon Venture Partners. Greathouse is a CPA and earned his MBA from the Wharton School.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.3M–$3M |
| Series A | $700k–$5.8M |
| Series B | $2.1M–$33M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Marketing | 2 | 15% |
| Advertising | 2 | 15% |
| B2B | 1 | 8% |
| SEO | 1 | 8% |
| SaaS | 1 | 8% |

20 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 3 | 23% |
| Seed | 2 | 15% |
| Series A | 2 | 15% |
| Series C | 2 | 15% |
| Series D | 2 | 15% |

7 stages tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| 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 |  |
| Apeel Sciences | Apeel Sciences produces products including avocados, apples, mangos, cucumbers, and citrus protected by plants. They support the plant’s natural ability to protect against environmental stress by maintaining moisture and reducing oxidation. | $33M | Series B | Dec 13, 2016 |  |
| Invoca | Invoca is the recognized leader in conversation intelligence AI that enables marketing, e-commerce, and contact center teams to drive efficient and profitable revenue growth by unlocking actionable insights from customer conversations. Through deep integrations with leading technology platforms, teams can turn conversation data into automatedaction to enhance every digital touchpoint and human interaction, leading to better experiences, more conversions, and higher revenue. With Invoca, top consumer brands, including AutoNation, DIRECTV, Mayo Clinic, Mutual of Omaha, and Verizon, experience unbelievable results powered by undeniable data. Invoca has raised $184M from leading venture capitalists, including Upfront Ventures, Accel, Silver Lake Waterman, H.I.G. Growth Partners, and Salesforce Ventures. For more information, visit www.invoca.com. | $30M | Series D | Mar 30, 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 |  |
| Apeel Sciences | Apeel Sciences produces products including avocados, apples, mangos, cucumbers, and citrus protected by plants. They support the plant’s natural ability to protect against environmental stress by maintaining moisture and reducing oxidation. | $5.8M | Series A | Jun 25, 2014 |  |
| Coull | Coull are an advertising technology company that aim to add value to any video. Coull do this through the OverStream Suite - a selection of video overlay advertising formats. The formats create new inventory within the video player, to add value to publisher's content and connect advertisers with audiences all over the world. | $4M | Angel | Mar 14, 2014 |  |
| Invoca | Invoca is the recognized leader in conversation intelligence AI that enables marketing, e-commerce, and contact center teams to drive efficient and profitable revenue growth by unlocking actionable insights from customer conversations. Through deep integrations with leading technology platforms, teams can turn conversation data into automatedaction to enhance every digital touchpoint and human interaction, leading to better experiences, more conversions, and higher revenue. With Invoca, top consumer brands, including AutoNation, DIRECTV, Mayo Clinic, Mutual of Omaha, and Verizon, experience unbelievable results powered by undeniable data. Invoca has raised $184M from leading venture capitalists, including Upfront Ventures, Accel, Silver Lake Waterman, H.I.G. Growth Partners, and Salesforce Ventures. For more information, visit www.invoca.com. | $21.7M | Series C | Jan 13, 2014 |  |
| Apeel Sciences | Apeel Sciences produces products including avocados, apples, mangos, cucumbers, and citrus protected by plants. They support the plant’s natural ability to protect against environmental stress by maintaining moisture and reducing oxidation. | $1.3M | Seed | Dec 31, 2013 |  |
| Invoca | Invoca is the recognized leader in conversation intelligence AI that enables marketing, e-commerce, and contact center teams to drive efficient and profitable revenue growth by unlocking actionable insights from customer conversations. Through deep integrations with leading technology platforms, teams can turn conversation data into automatedaction to enhance every digital touchpoint and human interaction, leading to better experiences, more conversions, and higher revenue. With Invoca, top consumer brands, including AutoNation, DIRECTV, Mayo Clinic, Mutual of Omaha, and Verizon, experience unbelievable results powered by undeniable data. Invoca has raised $184M from leading venture capitalists, including Upfront Ventures, Accel, Silver Lake Waterman, H.I.G. Growth Partners, and Salesforce Ventures. For more information, visit www.invoca.com. | $3.3M |  | Nov 21, 2012 |  |
| 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 |  |

10 of 13 investments shown.

## Co-investors
- [Upfront Ventures](https://shizune.co/investors/profile/upfront-ventures) — VC Fund, 6 deals together
- [Birchmere Ventures](https://shizune.co/investors/profile/birchmere-ventures) — VC Fund, 3 deals together
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 2 deals together
- [Engel Ventures](https://shizune.co/investors/profile/engel-ventures) — VC Fund, 2 deals together
- [Volition Capital](https://shizune.co/investors/profile/volition-capital) — VC Fund, 2 deals together
- [Blue Cloud Ventures](https://shizune.co/investors/profile/blue-cloud-ventures) — VC Fund, 1 deal together

## About RevUpNet

VC Fund



1 contacts available at RevUpNet.

| Name | Title | Profile |
| --- | --- | --- |
| John Greathouse | Co-Founder, Advisor | https://shizune.co/investors/profile/john-greathouse |

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## FAQ

### What does John Greathouse invest in?

John Greathouse invests primarily in Marketing, Advertising and B2B startups, most often at Series B and Seed stage. Most of the 13 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 John Greathouse's check size?

John Greathouse typically joins rounds of $1.3M–$3M at Seed, $700k–$5.8M at Series A and $2.1M–$33M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds John Greathouse participates in.

### When did John Greathouse last invest?

The most recent investment recorded for John Greathouse closed in Oct 2017. Shizune tracks 13 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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