Sounil Yu

Sounil Yu

Active Investor

Angel investor in Reston

Reston, Virginia

Sounil Yu, Angel investor in Reston is an active investor based in Reston, Virginia. This profile covers what Sounil Yu backs, at which stage, and how founders can reach out in 2026.

Investor type
Angel
Stages
Pre SeedSeed
Invests in
SaaS & EnterpriseCybersecurityHardware & Deep Tech
Location
Reston, Virginia
Typical check
$150K
Past investments
5

Notable investments

Feroot SecuritySPHERE Technology SolutionsGrip Securitybuild.securityEnso Security

How to reach Sounil Yu

Angels and operators like Sounil Yu reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.

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Frequently Asked Questions

What does Sounil Yu invest in?

Sounil Yu invests in SaaS & Enterprise, Cybersecurity and Hardware & Deep Tech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.

What stage does Sounil Yu invest at?

Sounil Yu typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.

What is Sounil Yu's typical check size?

Sounil Yu typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.

How do I contact Sounil Yu?

Unlock Sounil Yu's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
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