Sean Liu
Angel Investor @ Founders Fund
Mountain View, United States
Sean Liu is a seed investor at Founders Fund in Mountain View focused on Energy and Family. Sean Liu joined Silver Lake in 2012 and is an Associate. Previously, he worked in the Real Estate Investment Banking Group at Morgan Stanley in New York. Mr. Liu graduated summa cum laude from Georgetown University with a B.S. in International Economics and a Certificate in International Business Diplomacy.
- Total investments:
- 3
- Last investment:
- Lead investor:
- 33%
Last updated:
For AI agents: llms.txt
Industries Sean Liu invests in
Stages Sean Liu invests in
Countries Sean Liu invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Energy 1 (33%)
- Family 1 (33%)
- mHealth 1 (33%)
- Military 1 (33%)
- Software 1 (33%)
Stage
- Seed 1 (33%)
- Series D 1 (33%)
- Series F 1 (33%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Crusoe is on a mission to help the oil industry reduce routine flaring of natural gas. They are passionate about creating solutions that benefit the environment, local communities, and energy producers.Crusoe Energy Systems provides oil and gas companies with a fast, low cost and simple solution to natural gas flaring. As the energy industrystruggles with pipeline constraints and increasing regulations around flaring and combusting, Crusoe is here to help. Their service lets operators preserve or regain regulatory compliance, maintain existing production and facilitate future development. | $3.9B / Series F / Sep 03, 2026 | ||
| Crusoe is on a mission to help the oil industry reduce routine flaring of natural gas. They are passionate about creating solutions that benefit the environment, local communities, and energy producers.Crusoe Energy Systems provides oil and gas companies with a fast, low cost and simple solution to natural gas flaring. As the energy industrystruggles with pipeline constraints and increasing regulations around flaring and combusting, Crusoe is here to help. Their service lets operators preserve or regain regulatory compliance, maintain existing production and facilitate future development. | $600M / Series D / Oct 29, 2024 | ||
| The Outpatient App is a digital health, medical task, and care coordination tool for families, medical professionals, health systems, and military medical services. It enables scheduling, messaging, task assignments, automatic notifications, and updates - all inside a simple, easy interface. It’s 100% private, secure, HIPAA compliant, andaccessible from anywhere globally via any Mobile Device and/or a Desktop Web Application. Today, the Outpatient App is used by professional and family caregivers across all 50 US States. Families were the initial target audience, and customers today include large Health Systems (ie SSM Health) and Military Medical Services (ie US Air Force, Air Force Medical Services, Air Force Research Laboratory). | Seed / Jan 06, 2018 |
Co-Investors
About Founders Fund
Founders Fund is a venture capital firm that invests at every stage in companies building revolutionary technologies. It has been investors, founders, and early employees of prominent technology companies. It has historically invested in a wide variety of sectors, including aerospace, artificial intelligence, advanced computing, energy, health, and consumer Internet.
Founders Fund Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Delian Asparouhov
Principal
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John Luttig
Principal
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Napoleon Ta
Partner
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Amin Mirzadegan
Principal
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Brian Singerman
Partner
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FAQ
What does Sean Liu invest in?
Sean Liu invests primarily in Energy, Family and mHealth startups, most often at Seed and Series D stage. Most of the 3 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Sean Liu?
Public channels for Sean Liu include LinkedIn. 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 Sean Liu last invest?
The most recent investment recorded for Sean Liu closed in Sep 2026. Shizune tracks 3 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.
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