David Chaiken
Operating Partner at Act One Ventures
Menlo Park, California
David Chaiken, Operating Partner at Act One Ventures is an active investor based in Menlo Park, California. This profile covers what David Chaiken backs, at which stage, and how founders can reach out in 2026.
David Chaiken is an Operating Partner at Act One Ventures, an early-stage venture capital firm investing in ecommerce infrastructure, vertical SaaS, and fintech.
- Investor type
- VC
- Stages
- Pre SeedSeed
- Invests in
- E-commerce & D2CSaaS & EnterpriseFintech
- Location
- Menlo Park, California
- Typical check
- $150K
How to reach David Chaiken
Angels and operators like David Chaiken reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
Connect with David Chaiken
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.
Frequently Asked Questions
What does David Chaiken invest in?
David Chaiken invests in E-commerce & D2C, SaaS & Enterprise and Fintech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does David Chaiken invest at?
David Chaiken typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is David Chaiken's typical check size?
David Chaiken typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact David Chaiken?
Unlock David Chaiken's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.