# Bill Collatos

> Bill Collatos is a angel investor in Boston backing Education and Mobile. See 2 investments, check sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Location: Boston, United States
- Total investments: 2
- Last investment: Dec 2015
- Lead investor: 0%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/in/bill-collatos-0196117

Bill Collatos is a Senior Managing Director at Spectrum Equity Investors.

## Contacts

5 contacts available for Bill Collatos: 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/bill-collatos?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Education | 2 | 100% |
| Mobile | 1 | 50% |
| Content | 1 | 50% |
| Medical | 1 | 50% |
| Social Media | 1 | 50% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Angel | 1 | 50% |
| Convertible Note | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Knowledge to Practice | Knowledge to Practice catalyzes and accelerates progress in postgraduate medical education. It offers self-directed learning solutions, self-assessment tools reveal knowledge gaps, content modules can be reviewed repeatedly, and more. The company was founded in 2014 and is based in Bethesda, United States. | $1.7M | Convertible Note | Dec 15, 2015 | https://www.k2p.com |
| QuadWrangle | QuadWrangle's mobile & social platform makes alumni engagement more valuable. For everyone. |  | Angel |  | http://www.quadwrangle.com |

2 of 2 investments shown.

## Co-investors
- Ingram Digital Ventures — VC Fund, 1 deal together
- [Sidecar Angels](https://shizune.co/investors/profile/sidecar-angels) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [ZhenFund](https://shizune.co/investors/profile/zhenfund) — VC Fund
- [LVX Ventures](https://shizune.co/investors/profile/letsventure) — VC Fund
- [Innoangel Fund](https://shizune.co/investors/profile/innoangel-fund) — VC Fund

## FAQ

### What does Bill Collatos invest in?

Bill Collatos invests primarily in Education, Mobile and Content startups, most often at Angel and Convertible Note stage. Most of the 2 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 Bill Collatos?

Public channels for Bill Collatos include LinkedIn. 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 Bill Collatos last invest?

The most recent investment recorded for Bill Collatos closed in Dec 2015. Shizune tracks 2 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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