Songyee Yoon
Angel Investor
Songyee Yoon is a seed investor focused on Software and Film. Songyee Yoon
- Total investments:
- 4
- Last investment:
- Lead investor:
- 50%
Last updated:
For AI agents: llms.txt
Industries Songyee Yoon invests in
Stages Songyee Yoon invests in
Countries Songyee Yoon invests in
Round sizes
Round size
- Seed
- $2.2M–$20M
Investment Focus
Industry
- Software 2 (50%)
- Film 1 (25%)
- Hardware 1 (25%)
- Internet 1 (25%)
- Cyber Security 1 (25%)
Stage
- Seed 2 (50%)
- Pre-Seed 1 (25%)
- Series B 1 (25%)
Country
- United States 3 (75%)
- South Korea 1 (25%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Spike AI
|
Spike AI is a marketing AGI platform that autonomously optimizes websites by identifying issues, testing AI-generated improvements, and implementing winning changes in real time to boost engagement, conversions, and revenue. | $1.9M / Pre-Seed / Aug 13, 2025 | |
Together AI
|
Together AI provides a cloud platform for developing, training, fine-tuning, and deploying generative artificial intelligence models using open-source technologies. Its services include serverless and dedicated model inference, GPU compute infrastructure, managed storage, code sandboxes, and model customization tools that support AI applicationdevelopment and production workloads. The platform also offers APIs and deployment options that enable developers and organizations to build, run, and manage language, image, audio, vision, and code models without maintaining underlying infrastructure. | $20M / Seed / May 15, 2023 | |
Light Field Lab
|
Light Field Lab is a breakthrough technology startup that builds an innovative holographic ecosystem. It re-creates what optical physics calls a real image for off-screen projected objects by generating a massive number of viewing angles that correctly change with the point of view and location just like in the real world. They enable entirely newbusiness opportunities across consumer and enterprise markets.The company was founded in 2017 by Jon Karafin, Brendan Bevensee, and Ed Ibe, with the single mission to enable a holographic future by building upon the founders’ collective expertise of light field technology innovation. Based in San Jose, CA, Light Field Lab is backed by top-tier venture firms including Khosla Ventures. | $50M / Series B / Feb 08, 2023 | |
AI SPERA
|
AI SPERA is an AI- based cybersecurity firm. It provides real-time intelligence with machine learning and fraud detection by analyzing cyber threats. It provides comprehensive intelligence solutions to detect, mitigate, and prevent cyberattacks targeting organizations. | $2.2M / Seed |
Co-Investors
Alumni Ventures
1 deal together
A.Capital Ventures
1 deal together
Corning
1 deal together
Definition
1 deal together
First Round Capital
1 deal together
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FAQ
What does Songyee Yoon invest in?
Songyee Yoon invests primarily in Software, Film and Hardware startups, most often at Seed and Pre-Seed 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.
What is Songyee Yoon's check size?
Songyee Yoon typically joins rounds of $2.2M–$20M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Songyee Yoon participates in.
When did Songyee Yoon last invest?
The most recent investment recorded for Songyee Yoon closed in Aug 2025. 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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