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California

Walden International

Walden International, based in California, backs deep tech startups at Seed and Series A, mostly leading rounds, with a latest fund over $550M, including investments like Zoom and IonQ.

WebsitePortfolioPitch pageTeam page
Entry stageSeed, Series A
Check sizen/a
Leads roundsYes
FocusDeep tech
Latest fundOver $550M
Investing team7 peopleNo activity since Sep

Who you would pitch at Walden International

7 people on the investing team, 7 of them partners who can make the call. Partners are listed first.

Lip-Bu Tan
Lip-Bu TanFounding Managing PartnerHe founded Walden International and led Cadence Design Systems as CEO and chairman.
Young Sohn
Young SohnFounding Managing PartnerHe is a founding managing partner at Walden Catalyst and holds several board chair positions.
Andrew Kau
Andrew KauPartnerHe previously worked as a research scientist and management consultant.
Francis Ho
Francis HoPartnerHe has experience in deep tech and holds seven patents for semiconductor and storage technologies.
Nicolas Autret
Nicolas AutretPartnerHe previously held leadership roles at Samsung Catalyst Fund and 360° Capital Partners.
Roni Hefetz
Roni HefetzPartnerHe started Walden Israel in 1993 and focuses on deep technology and semiconductors.
Shankar Chandran
Shankar ChandranPartnerHe previously held leadership roles at Samsung Catalyst Fund and Panorama Capital.

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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.

Before you pitch

Ownership target7-10%

Notable investments

ZoomMellanox TechnologiesIonQSambaNova SystemsInnoviumGraphcoreDarktraceHabana Labs

In their words

Home | Walden Catalystwaldencatalyst.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 Walden International

At One VenturesCheck size not reported · active Sep 27
DCVC$10M to $30M+ · active Oct 8
Foothill VenturesCheck size not reported · active Sep 23
Intel Capital$1M to $30M+ · active Oct 14
Julian Capital$500K to $3M · active Oct 14
Playground Global$3M to $10M · active Sep 25

On these lists

Seed deep tech investors in California94Series A deep tech investors in California68Seed investors in United States2836Series A investors in United States1790Seed investors in California699Series A investors in California480Seed deep tech investors200Series A deep tech investors146

Questions

What stage does Walden International invest in?

Walden International reports entry at seed, series a.

How much does Walden International invest?

Walden International has not reported a check size.

Does Walden International lead rounds?

Yes. Walden International says it can lead.

Who are the partners at Walden International?

Lip-Bu Tan (Founding Managing Partner), Young Sohn (Founding Managing Partner), Andrew Kau (Partner), Francis Ho (Partner), Nicolas Autret (Partner), Roni Hefetz (Partner).

Is Walden International active right now?

No recent activity since September 2026.

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