Insoo Chang

Active Investor

Principal at Tau Ventures

San Francisco, California

Insoo Chang, Principal at Tau Ventures is an active investor based in San Francisco, California. This profile covers what Insoo Chang backs, at which stage, and how founders can reach out in 2026.

Insoo Chang is a Principal at Tau Ventures and a Founding Partner at Twenty25 Ventures.

Insoo Chang invests in SaaS & Enterprise and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.

Investor type
VC
Stages
SeedSeries AEarly Stage Venture
Invests in
SaaS & EnterpriseArtificial Intelligence
Location
San Francisco, California
Typical check
$500K

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Round Funded. "Insoo Chang." Round Funded investor database, updated November 3, 2026.

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

Frequently Asked Questions

Who is Insoo Chang?

Insoo Chang, Principal at Tau Ventures is an active investor based in San Francisco, California. Insoo Chang invests in SaaS & Enterprise and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.

What does Insoo Chang invest in?

Insoo Chang invests in SaaS & Enterprise 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 Insoo Chang invest at?

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

What is Insoo Chang's typical check size?

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

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.