Walden Catalyst
Walden Catalyst, 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.
Who you would pitch at Walden Catalyst
7 people on the investing team, 7 of them partners who can make the call. Partners are listed first.
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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
Notable investments
In their words
Send Mode VC your deck
Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
Send your deckAlert me when Walden Catalyst is active
One email when this firm shows new activity. Nothing else.
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Questions
What stage does Walden Catalyst invest in?
Walden Catalyst reports entry at seed, series a.
How much does Walden Catalyst invest?
Walden Catalyst has not reported a check size.
Does Walden Catalyst lead rounds?
Yes. Walden Catalyst says it can lead.
Who are the partners at Walden Catalyst?
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 Catalyst active right now?
No recent activity since September 2026.
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