Blaine Cook
Angel Investor
Nelson, Canada
Blaine Cook is a seed investor 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.
- Total investments:
- 4
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Blaine Cook invests in
Stages Blaine Cook invests in
Countries Blaine Cook invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Audio 1 (25%)
- Video 1 (25%)
- Events 1 (25%)
- Analytics 1 (25%)
- Web Design 1 (25%)
Stage
- Seed 2 (50%)
- Angel 1 (25%)
- Pre-Seed 1 (25%)
Country
- United States 3 (75%)
- Ireland 1 (25%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| 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 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 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 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 |
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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.
How do I contact Blaine Cook?
Public channels for Blaine Cook 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 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 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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