John Greathouse
Angel Investor @ Rincon Venture Partners
Santa Barbara, United States
John Greathouse is a Series A investor at Rincon Venture Partners in Santa Barbara focused on Advertising and B2B. 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.
- Total investments:
- 14
- Last investment:
- Lead investor:
- 36%
Last updated:
For AI agents: llms.txt
Industries John Greathouse invests in
Stages John Greathouse invests in
Countries John Greathouse invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1.3M–$3M
- Series A
- $700k–$5.8M
- Series B
- $2.1M–$33M
Investment Focus
Stage
- Series A 3 (21%)
- Series B 3 (21%)
- Seed 2 (14%)
- Series C 2 (14%)
- Series D 2 (14%)
Country
- United States 4 (29%)
- United Kingdom 1 (7%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| 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 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 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 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 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 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 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 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 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 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 | ||
| See all 14 investments → | |||
Co-Investors
About Rincon Venture Partners
Rincon Venture Partners seeks to partner with extraordinary entrepreneurs and support them as they build world-class businesses. Rincon is an early-stage venture capital firm that targets investment opportunities in Web-based businesses that are led by 'serial founding teams', have proven recurring revenue models and are pursuing capital-efficient operating plans. They typically invest in companies where initial product or service development is largely complete, and the company's forward-looking focus is on market engagement and expansion. They take an active role in guiding and supporting portfolio companies by committing resources for such activities as Board representation, providing strategic and tactical guidance, filling key management positions, facilitating subsequent financings and achieving liquidity events.
Rincon Venture Partners Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Jim Andelman
Managing Partner, Co-Founder & Managing Director
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Lisa Riedmiller
Controller
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Loren Shepard
Administrative Director
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FAQ
What does John Greathouse invest in?
John Greathouse invests primarily in Advertising, B2B and SEO startups, most often at Series A and Series B stage. Most of the 14 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does John Greathouse invest in?
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 are whole funding-round sizes, not John Greathouse's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds John Greathouse took part in.
How do I contact John Greathouse?
Public channels for John Greathouse 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 John Greathouse last invest?
The most recent investment recorded for John Greathouse closed in Oct 2017. Shizune tracks 14 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 Nov 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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