# Joshua Summers

> Joshua Summers is a seed investor in Boston backing Advertising and TV. See 3 investments, check sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Location: Boston, United States
- Total investments: 3
- Last investment: Nov 2015
- Lead investor: 0%
- Last updated: Oct 2026
- LinkedIn: http://www.linkedin.com/pub/joshua-summers/0/a5/937
- X (Twitter): http://twitter.com/jsummers1
- Website: https://about.me/jsummers
- Facebook: http://www.facebook.com/summmmers

Joshua Summers is a Co-Founder and CEO of EnFi. He previously worked at Xandr as a Senior Vice President Business Development. Joshua Summers attended Carnegie Mellon University.

## Contacts

5 contacts available for Joshua Summers: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/joshua-summers?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Advertising | 2 | 67% |
| TV | 1 | 33% |
| Internet | 1 | 33% |
| PropTech | 1 | 33% |
| Analytics | 1 | 33% |

15 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 67% |
| Funding Round | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| TVision | TVision is an audience measurement company that provides information on TV and cable television viewer engagement. It provides second-by-second, person-level data on how people watch TV, including who is watching, what they are watching, and how much attention they are paying to both linear and streaming TV. TVision data is used by advertisers,agencies, networks, streaming content providers, measurement companies, and data platforms to make more informed media decisions, measure performance, create engaging content, and benchmark their results against competitors. TVision was founded in 2014 and is based in New York City and has offices in Boston and Tokyo. | $2.9M | Seed | Nov 16, 2015 | http://www.tvisioninsights.com/ |
| Placester | Placester is an all-in-one business platform for real estate professionals with beautiful lead capturing websites, lead management, email marketing, marketing automation, analytics, free education and 24/7 support. Founded in 2011 by Matthew Barba, a former real estate agent, and Frederick Townes, a seasoned technologist, the Placesterplatform enables real estate professionals to grow their businesses online and via mobile through seamless MLS integration, natural language search and eye-catching visuals. In addition, Placester offers a wide range of apps and add-ons for high-impact email marketing, digital advertising campaigns, lead management and streamlining of everyday tasks. Currently serving two in five real estate professionals in the U.S., Placester is a proud technology partner to leading real estate brands across North America, and the sole website provider for the REALTOR Benefits® Program, the official member benefits program of the National Association of REALTORS®. To date, Placester has raised $100 million in funding, backed by New Enterprise Associates (NEA), Romulus Capital and Techstars. For more information, please visit placester.com. | $2.5M | Seed | Apr 29, 2013 | https://placester.com |
| Zagster | Zagster is a transportation provider offering turnkey bike-sharing systems. The company designs, builds, and operates private bike-sharing programs for universities, corporate campuses, hotels, and residential communities across the United States.Moreover, Zagster provides customers a complete bike sharing solution - including system design,installation, sharing technology, maintenance, rider support, and marketing services.Zagster was founded in 2007 and headquartered in Cambridge, Massachusetts, United States. | $1M |  | Oct 18, 2012 | http://www.zagster.com |

3 of 3 investments shown.

## Co-investors
- [Apricot Capital](https://shizune.co/investors/profile/apricot-capital) — VC Fund, 1 deal together
- [Archetype Ventures](https://shizune.co/investors/profile/archetype-ventures) — VC Fund, 1 deal together
- [Boston Syndicates (BOSS)](https://shizune.co/investors/profile/boston-syndicates) — VC Fund, 1 deal together
- [Fontinalis Partners](https://shizune.co/investors/profile/fontinalis-partners) — VC Fund, 1 deal together
- [Golden Ventures](https://shizune.co/investors/profile/golden-venture-partners) — VC Fund, 1 deal together
- [KLab Ventures](https://shizune.co/investors/profile/klab-ventures) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund

## FAQ

### What does Joshua Summers invest in?

Joshua Summers invests primarily in Advertising, TV and Internet startups, most often at Seed and Funding Round stage. Most of the 3 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 Joshua Summers?

Public channels for Joshua Summers 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 Joshua Summers last invest?

The most recent investment recorded for Joshua Summers closed in Nov 2015. Shizune tracks 3 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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