Colin Greenspon
Managing Director @ Mithril Capital Management
San Francisco, United States
Colin Greenspon is a seed investor at Mithril Capital Management in San Francisco focused on Software and SaaS. Colin Greenspon is based out of Darien, Connecticut and is the Co-Founder & Partner of Narya Capital. Colin previously worked at Revolution as a partner. Colin Greenspon attended Dartmouth College.
- Total investments:
- 10
- Last investment:
- Lead investor:
- 60%
Last updated:
For AI agents: llms.txt
Industries Colin Greenspon invests in
Stages Colin Greenspon invests in
Countries Colin Greenspon invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 5 (50%)
- SaaS 4 (40%)
- Internet 3 (30%)
- Enterprise Software 3 (30%)
- Marketing 2 (20%)
Stage
- Seed 3 (30%)
- Series C 3 (30%)
- Series B 2 (20%)
- Series A 1 (10%)
- Series D 1 (10%)
Country
- United States 4 (40%)
- United Kingdom 3 (30%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| ValueBase is a software provider that focuses on offering cutting-edge options for real estate assessment.ValueBase's mission is to provide the most complete and accurate data and tools possible to property appraisers and other professionals in order to aid them in making educated judgments. | $6.3M / Seed / Jun 17, 2024 | ||
| Trust & Will is an online service providing legal forms and information that makes creating estate planning easy, fast, and secure. It is not a law firm and is not a substitute for a lawyer’s advice about complex estate planning. The company is backed by some venture capital firms including Revolution’s Rise of the Rest, Western TechnologyInvestments, Luma Launch, Halogen Ventures, and Techstars, as well as angel investors.Trust & Will was founded in 2017 and is headquartered in San Diego, CA. | $6M / Series A / Dec 17, 2019 | ||
| Smartwyre is a software designed for the agricultural supply industry. It was built by crop protection and software industry veterans to eliminate the financial uncertainty caused by commercial complexity. The company was founded in 2018 and is headquartered in Denver, Colorado. | $3M / Seed / Apr 11, 2019 | ||
| Trust & Will is an online service providing legal forms and information that makes creating estate planning easy, fast, and secure. It is not a law firm and is not a substitute for a lawyer’s advice about complex estate planning. The company is backed by some venture capital firms including Revolution’s Rise of the Rest, Western TechnologyInvestments, Luma Launch, Halogen Ventures, and Techstars, as well as angel investors.Trust & Will was founded in 2017 and is headquartered in San Diego, CA. | $1.5M / Seed / Jan 24, 2019 | ||
| Partnerize is the leader in partnership automation. The Partnerize platform is the only of its kind to deliver a fully integrated, comprehensive suite of discovery, recruitment, optimization, payment, brand safety and fraud prevention capabilities for marketers seeking a high transparency, scalable subsidy to alleviate pressure on their uniteconomics as a result of over dependence on primary sales and marketing channels. Supported by unrivaled service including the category’s only in-housing support program, with Partnerize, you’re in control of the entire partnership marketing lifecycle—all on a single platform. Headquartered in NYC, Partnerize retains offices in Australia, United Kingdom, Japan, San Francisco, Philadelphia and Wilkes-Barre. For more information on how Partnerize helps turn your partnerships into a profit center, please visit https://partnerize.com/en.Partnerize is the trading name of the Performance Horizon group of companies. | $15.4M / Series C / Jun 15, 2016 | ||
| Partnerize is the leader in partnership automation. The Partnerize platform is the only of its kind to deliver a fully integrated, comprehensive suite of discovery, recruitment, optimization, payment, brand safety and fraud prevention capabilities for marketers seeking a high transparency, scalable subsidy to alleviate pressure on their uniteconomics as a result of over dependence on primary sales and marketing channels. Supported by unrivaled service including the category’s only in-housing support program, with Partnerize, you’re in control of the entire partnership marketing lifecycle—all on a single platform. Headquartered in NYC, Partnerize retains offices in Australia, United Kingdom, Japan, San Francisco, Philadelphia and Wilkes-Barre. For more information on how Partnerize helps turn your partnerships into a profit center, please visit https://partnerize.com/en.Partnerize is the trading name of the Performance Horizon group of companies. | $15.4M / Series C / Jun 15, 2016 | ||
| Partnerize is the leader in partnership automation. The Partnerize platform is the only of its kind to deliver a fully integrated, comprehensive suite of discovery, recruitment, optimization, payment, brand safety and fraud prevention capabilities for marketers seeking a high transparency, scalable subsidy to alleviate pressure on their uniteconomics as a result of over dependence on primary sales and marketing channels. Supported by unrivaled service including the category’s only in-housing support program, with Partnerize, you’re in control of the entire partnership marketing lifecycle—all on a single platform. Headquartered in NYC, Partnerize retains offices in Australia, United Kingdom, Japan, San Francisco, Philadelphia and Wilkes-Barre. For more information on how Partnerize helps turn your partnerships into a profit center, please visit https://partnerize.com/en.Partnerize is the trading name of the Performance Horizon group of companies. | $10M / Series B / Sep 23, 2014 | ||
| Partnerize is the leader in partnership automation. The Partnerize platform is the only of its kind to deliver a fully integrated, comprehensive suite of discovery, recruitment, optimization, payment, brand safety and fraud prevention capabilities for marketers seeking a high transparency, scalable subsidy to alleviate pressure on their uniteconomics as a result of over dependence on primary sales and marketing channels. Supported by unrivaled service including the category’s only in-housing support program, with Partnerize, you’re in control of the entire partnership marketing lifecycle—all on a single platform. Headquartered in NYC, Partnerize retains offices in Australia, United Kingdom, Japan, San Francisco, Philadelphia and Wilkes-Barre. For more information on how Partnerize helps turn your partnerships into a profit center, please visit https://partnerize.com/en.Partnerize is the trading name of the Performance Horizon group of companies. | $10M / Series B / Sep 23, 2014 | ||
| DoubleDutch develops event management software for the events industry worldwide. It provides live engagement platform that includes applications, integrations, and performance metrics which, allows orchestrating live events; and online event registration solution that enables to create custom event registration pages, collect registrantinformation and payments online, manage pre-event activity and correspondence, and optimize registrant data. DoubleDutch offers solutions for external events, internal meetings, and associations. It serves customers ranging from brands to local association for their external and internal corporate meetings, tradeshows and expos, associations, and conferences. Lawrence Coburn and Pankaj Prasad founded DoubleDutch in 2010, with its headquarters in San Francisco in California and additional offices in Phoenix in Arizona and Amsterdam in the Netherlands. It operates as a subsidiary of Cvent as of June 10, 2019. | $15M / Series D / Aug 21, 2014 | ||
| SilverRail is an information technology company that specializes in the fields of passenger rail ticketing, travel distribution technology, and global rail access. SilverRail's technology is purpose built for rail. Our product suite spans the full customer experience. It was founded in 2009 and headquartered in London, England. | $40M / Series C / Apr 14, 2014 |
Co-Investors
Mithril is a family of long-term venture capital funds agnostic to sector and geography. They provide capital to leading growth companies by partnering with teams who use technology to build transformative and durable businesses.
Mithril Capital Management Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Anuja Royan
Managing Director
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Paul Leggett
Managing Director
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Ajay Royan
Founder & Managing General Partner
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Peter Thiel
Co-Founder
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FAQ
What does Colin Greenspon invest in?
Colin Greenspon invests primarily in Software, SaaS and Internet startups, most often at Seed and Series C stage. Most of the 10 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 Colin Greenspon?
Public channels for Colin Greenspon include LinkedIn, X (Twitter) and Facebook. 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 Colin Greenspon last invest?
The most recent investment recorded for Colin Greenspon closed in Jun 2024. Shizune tracks 10 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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