# Blaine Cook

> Blaine Cook is a seed investor at OAuth (Nelson) backing Audio, Video and Events. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [OAuth](https://shizune.co/investors/profile/oauth)
- Location: Nelson, Canada
- Total investments: 4
- Last investment: Jun 2021
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/blainecook
- X (Twitter): http://twitter.com/blaine
- Website: https://x.com/blaine
- Facebook: http://www.facebook.com/romeda

Blaine Cook is a seed investor at OAuth in Nelson focused on Audio and Video. Blaine Cook is the former Architect at Twitter. Before his departure he focused on building and maintaining Twitter’s Jabber-based real-time backend infrastructure that tracks and distributes millions of updates every day to users on the Web, instant messaging, and SMS.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Audio | 1 | 25% |
| Video | 1 | 25% |
| Events | 1 | 25% |
| Analytics | 1 | 25% |
| Web Design | 1 | 25% |

12 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 50% |
| Angel | 1 | 25% |
| Pre-Seed | 1 | 25% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 3 | 75% |
| Ireland | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Typedream | Typedream is a website builder with a familiar text-editing interface and beautiful built-in defaults that makes building websites really fast and easy |  | Seed | Jun 28, 2021 |  |
| Planetary | Planetary is a humane decentralized social network. We've built an open protocol and platform for social media and software. A place where you control your data and relationships. This new platform does for social media what open source did for software, creating a common platform for all to build upon secure scuttlebutt.Social media is thepublic sphere and it needs to be owned and controlled by the people who create it. | $1.1M | Pre-Seed | Oct 03, 2019 |  |
| Little Bird | Little Bird powers fast and focused engagement for modern marketers in tech, entertainment, and financial services. Its solution helps marketers overcome the noise and chaos of the social web, to map and engage with the most influential subject matter experts online. Little Bird helps marketing organizations build social capital, expand theirrelevant reach, and grow their businesses. | $1M | Angel | Oct 05, 2012 |  |
| Lanyrd | Lanyrd is a developer of a social conference directory platform. It provides a portal to find and search professional conferences for users, build up a speaker portfolio of talks they have given, and catch up on what happened at conferences they missed, providing users with event data. | $1.4M | Seed | Sep 06, 2011 |  |

4 of 4 investments shown.

## Co-investors
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 2 deals together
- [Bloomberg Beta](https://shizune.co/investors/profile/bloomberg-beta) — VC Fund, 1 deal together
- [ConsenSys](https://shizune.co/investors/profile/consensus-systems) — VC Fund, 1 deal together
- [Darkmode Ventures](https://shizune.co/investors/profile/darkmode-ventures) — VC Fund, 1 deal together
- [Evening Fund](https://shizune.co/investors/profile/evening-fund) — VC Fund, 1 deal together
- [Flex Capital](https://shizune.co/investors/profile/flex-capital) — VC Fund, 1 deal together

## About OAuth

VC Fund

OAuth is an open protocol to allow secure API authorization in a simple and standard method from desktop, mobile and web applications. OAuth allows consumer developers to publish and interact with protected data. OAuth also allows service provider developers to give users access to their data while protecting their account credentials.

5 contacts available at OAuth.

| Name | Title | Profile |
| --- | --- | --- |
| Blaine Cook | Author | https://shizune.co/investors/profile/blaine-cook |
| Ben Laurie | Author | https://shizune.co/investors/profile/ben-laurie |
| Breno de Medeiros | Author | https://shizune.co/investors/profile/breno-de-medeiros |
| Jonathan Sergent | Author | https://shizune.co/investors/profile/jonathan-sergent |
| Kellan Elliott-McCrea | Author | https://shizune.co/investors/profile/kellan-elliott-mccrea |

## Similar investors

### Similar industry
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### Similar stage
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### Similar country
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## FAQ

### What does Blaine Cook invest in?

Blaine Cook invests primarily in Audio, Video and Events startups, most often at Seed and Angel stage. Most of the 4 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Blaine Cook last invest?

The most recent investment recorded for Blaine Cook closed in Jun 2021. Shizune tracks 4 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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