# Brian Yun

> Brian Yun is a pre-seed investor backing Software and Artificial Intelligence. See 2 investments, round sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Location: Tokyo, Japan
- Total investments: 2
- Last investment: Oct 2024
- Lead investor: 0%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/in/brianyun-cfa
- X (Twitter): https://x.com/jaehunyun
- Facebook: https://www.facebook.com/jaehun.yun

Brian Yun is a co-founder of woodstock.

## Contacts

5 contacts available for Brian Yun: 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/brian-yun-ccc1?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 2 | 100% |
| Artificial Intelligence | 2 | 100% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Butler | Streamline your workflow with AI-powered summaries, contextual chat, a native meeting bot and more, all in one place. | $867.6K | Pre-Seed | Oct 23, 2024 | https://butler.ai |
| Butler | Streamline your workflow with agentic automations, contextual chat, lightning-fast search and a native meeting bot, all in one place. | $850K | Pre-Seed | Oct 23, 2024 | https://butler.ai |

2 of 2 investments shown.

## Co-investors
- [GoAhead Ventures](https://shizune.co/investors/profile/goahead-ventures) — VC Fund, 2 deals together
- [Script Capital](https://shizune.co/investors/profile/122-west-ventures) — VC Fund, 1 deal together

## Similar investors

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

### 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
- [Bossa Invest](https://shizune.co/investors/profile/bossanova-investimentos) — VC Fund

### Similar country
- [BDC Venture Capital](https://shizune.co/investors/profile/bdc-venture-capital) — VC Fund
- [Real Ventures](https://shizune.co/investors/profile/real-ventures) — VC Fund
- [Business Development Bank of Canada](https://shizune.co/investors/profile/business-development-bank-of-canada) — VC Fund

## Featured in investor lists
- [Artificial intelligence Angel Investors in Canada](https://shizune.co/investors/artificial-intelligence-angel-investors-canada)

## FAQ

### What does Brian Yun invest in?

Brian Yun invests primarily in Software and Artificial Intelligence startups, most often at Pre-Seed stage. Most of the 2 investments tracked by Shizune back companies in Canada. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Brian Yun?

Public channels for Brian Yun 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 Brian Yun last invest?

The most recent investment recorded for Brian Yun closed in Oct 2024. 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co