Mode VC
California

FoundersX Ventures

FoundersX Ventures is a California-based seed-stage investor that typically follows other investors, focusing on infrastructure, deep tech, and industrial sectors, with notable investments in SpaceX and World Labs.

Website LinkedInPortfolioPitch pageTeam page
Entry stageSeed
Check sizen/a
Leads roundsMostly follows
FocusDev tools and infra, Deep tech, Industrial
Latest fundn/a
Investing team8 peopleNo activity since Sep

Who you would pitch at FoundersX Ventures

8 people on the investing team, 6 of them partners who can make the call. Partners are listed first.

Helen Liang
Helen LiangManaging PartnerShe holds a PhD from the University of Wisconsin-Madison and is a guest lecturer at Stanford University.
Leo Cui
Leo CuiGeneral PartnerHe co-founded Nucleate and holds a PhD in Bioengineering from Harvard.
Sizi Chen
Sizi ChenGeneral PartnerFocus: digital health and enterprise SaaS.
Tom Kosnik
Tom KosnikPartnerHe has taught at Stanford and Harvard and advises startup founders.
Tor Parawell
Tor ParawellPartnerHe leads FutureCircle initiatives and has a background in asset management.
Tristan Staschik
Tristan StaschikPartnerHe has a background in machine learning and full-stack development, and holds a BS in Computer Science from UC Berkeley.
Devin Lai
Devin LaiInvestment AssociateHe is pursuing Physics and International Relations degrees at Stanford University.
Irene Tsen
Irene TsenInvestment AssociateShe previously held editorial roles and studied at Stanford University.

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Check size not reported yet.

Bars: how many firms in the atlas report each band. Highlighted: this firm.

No recent activity since September 2026. Quiet does not mean closed.

Weekly count of activity updates. Activity is not a confirmed deal.

Notable investments

SpaceXWorld LabsJeeves

In their words

FoundersX VenturesFoundersX Ventures backs founders building the full AI stack — from silicon, space, and robotics to foundation models and agentic software.foundersx.com
Founders and investors at a Mode VC gathering

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One email when this firm shows new activity. Nothing else.

Firms like FoundersX Ventures

Intel Capital$1M to $30M+ · active Oct 14
Riot Ventures$1M to $30M+ · active Oct 10
BMW i Ventures$3M to $10M
Qualcomm VenturesCheck size not reported
v1.vcCheck size not reported
ACME Capital$1M to $30M

On these lists

Seed deep tech investors in California94Seed dev tools and infra investors in California85Seed industrial investors in California67Seed investors in United States2836Seed investors in California699Seed deep tech investors200Seed dev tools and infra investors162Seed industrial investors161

Questions

What stage does FoundersX Ventures invest in?

FoundersX Ventures reports entry at seed.

How much does FoundersX Ventures invest?

FoundersX Ventures has not reported a check size.

Does FoundersX Ventures lead rounds?

FoundersX Ventures mostly follows other investors.

Who are the partners at FoundersX Ventures?

Helen Liang (Managing Partner), Leo Cui (General Partner), Sizi Chen (General Partner), Tom Kosnik (Partner), Tor Parawell (Partner), Tristan Staschik (Partner).

Is FoundersX Ventures active right now?

No recent activity since September 2026.

Work at FoundersX Ventures? Claim or correct this profile.