Angel investor based in Santa Clara, United States.
10 companies backed across
11 recorded rounds, Aug 2017 – Oct 2025.
Founder & CEO Zoom Video Communications, ex-Cisco, WebEx.
Sectors of the companies in the portfolio, by company count.
Head-office city of the companies in the portfolio.
Rounds by stage.
Total size of the rounds they joined — an angel's own cheque is a share of this, and is not disclosed.
Every company Eric S Yuan appears as an investor in, most recent round first.
| Company | City | Sectors | Latest round | Rounds | Round value |
|---|---|---|---|---|---|
| ReflectionAI | New York City | AI InfrastructureGenerative AIArtificial Intelligence | Series B Oct 2025 | 1 | $2B |
| Archipelo | San Francisco | CybersecuritySecurity Analytics | Seed Feb 2025 | 2 | $12M |
| Trendsi | San Francisco | E-Commerce EnablersFashion TechB2B E-Commerce | Series A Oct 2022 | 1 | $25M |
| Gamma | San Francisco | Generative AIEnterprise CollaborationProductivity Software | Seed Oct 2021 | 1 | $7M |
| Coefficient | Palo Alto | Enterprise Information ManagementEnterprise Data Management | Seed Oct 2021 | 1 | $6.7M |
| BYJU'S | Bengaluru | K-12 EdTechTest Preparation TechOnline Courses | Series E+ Jun 2021 | 1 | $340M |
| Pento | London | Finance & Accounting TechHRTechFinTech | Series A May 2021 | 1 | $15.6M |
| Workvivo LED | Cork | HRTechEmployee EngagementHR SaaS | Angel Nov 2019 | 1 | $551K |
| Pitch | Berlin | Enterprise CollaborationRemote Work Tools | Series A Oct 2018 | 1 | $19M |
| Plato | San Francisco | HRTechEmployee Performance ManagementHR SaaS | Seed Aug 2017 | 1 | $3.3M |
Investors that appear in the same rounds. Two names in one round is what "invested together" means here — it is not a claim about a relationship off the cap table.
| Investor | Type | Based | Shared rounds | Shared companies |
|---|---|---|---|---|
| Gil Penchina | Angel | New York City | 2 | 1 |
| David Weisburd | Angel | 2 | 1 | |
| Lightspeed Venture Partners | Firm | Menlo Park | 2 | 2 |
| Ed Roman | Angel | 2 | 1 | |
| Sangha Capital | Firm | Geneva | 2 | 1 |
| Andy Bechtolsheim | Angel | 2 | 1 | |
| LocalGlobe | Firm | London | 2 | 2 |
| Dell Technologies Capital | Firm | Palo Alto | 2 | 1 |
| Nima Capital | Firm | New York City | 2 | 1 |
| Hustle Fund | Firm | San Carlos | 2 | 2 |
| Anima Anandkumar | Angel | 2 | 1 | |
| Samsung NEXT | Firm | Berlin | 2 | 1 |
| Timothy Thairu | Angel | 1 | 1 | |
| Script Capital | Firm | San Francisco | 1 | 1 |
| Shan Lyn Ma | Angel | New York City | 1 | 1 |
| Sequoia Capital | Firm | Menlo Park | 1 | 1 |
| Foundation Capital | Firm | Palo Alto | 1 | 1 |
| Matt Robinson | Angel | London | 1 | 1 |
| Seedcamp | Firm | London | 1 | 1 |
| Tom Blomfield | Angel | 1 | 1 |