Naoko Onishi

Active Investor

Principal at E12 Ventures

Menlo Park, California

Naoko Onishi, Principal at E12 Ventures is an active investor based in Menlo Park, California. This profile covers what Naoko Onishi backs, at which stage, and how founders can reach out in 2026.

Naoko Onishi is a Principal at E12 Ventures, focusing on early-stage technology investments.

Naoko Onishi invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.

Location
Menlo Park, California
Typical check
$500K

What does Naoko Onishi invest in?

Investor type
VC
Stages
SeedSeries AEarly Stage Venture

Where is Naoko Onishi based?

Naoko Onishi is based in Menlo Park, California.

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How to reach Naoko Onishi

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About this profile

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Round Funded. "Naoko Onishi." Round Funded investor database, updated September 22, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/naoko-onishi

Frequently Asked Questions

Who is Naoko Onishi?

Naoko Onishi, Principal at E12 Ventures is an active investor based in Menlo Park, California. Naoko Onishi invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.

What does Naoko Onishi invest in?

Naoko Onishi invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Naoko Onishi invest at?

Naoko Onishi typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Naoko Onishi's typical check size?

Naoko Onishi typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.

Where is Naoko Onishi based?

Naoko Onishi is based in Menlo Park, California.

How do founders reach investors like this?

Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.

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.

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