# Seung-Gook Lee

> Seung-Gook Lee is a seed investor at Mashup Ventures. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Mashup Ventures](https://shizune.co/investors/profile/mashup-ventures)
- Total investments: 2
- Last investment: Feb 2026
- Lead investor: 100%
- Last updated: Aug 2026

Seung-Gook Lee is a Partner at Mashup Ventures.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Holoceive | Holoceive is an AI-based augmented reality (AR) goods platform developer. |  | Seed | Feb 24, 2026 |  |
| Trackit | Trackit is a customer management system designed for mid-sized and large companies with complex sales environments. It integrates and manages customer data from multiple sources like email, calendars, address books, and business cards. The system is customizable to fit unique business structures without requiring developer involvement. |  | Seed | Sep 30, 2025 |  |

2 of 2 investments shown.

## About Mashup Ventures

VC Fund · Seongnam, South Korea

Mashup Ventures invests in early-stage startups and supports startups to grow quickly through a network of founders.

4 contacts available at Mashup Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Taekkyung Lee | Founder , CEO & Representative Partner | https://shizune.co/investors/profile/taekkyung-lee |
| Brian Yoo | Venture Partner | https://shizune.co/investors/profile/brian-yoo |
| Seung-Gook Lee | Partner | https://shizune.co/investors/profile/seung-gook-lee |
| Shin In-mo | Principal | https://shizune.co/investors/profile/shin-in-mo |

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## FAQ

### When did Seung-Gook Lee last invest?

The most recent investment recorded for Seung-Gook Lee closed in Feb 2026. 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 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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