John S. Chalkiopoulos

Active Investor

Venture investor in Santa Clara

Santa Clara, California

LinkedIn

John S. Chalkiopoulos, Venture investor in Santa Clara is an active investor based in Santa Clara, California. This profile covers what John S. Chalkiopoulos backs, at which stage, and how founders can reach out in 2026.

John Chalkiopoulos is a technology leader with over 20 years of experience delivering business results, cost savings, and revenue-maximizing solutions across multiple industries.

John S. Chalkiopoulos invests in SaaS & Enterprise, Artificial Intelligence and Fintech, typically at Seed and Series A.

Location
Santa Clara, California
Typical check
$625K

What does John S. Chalkiopoulos invest in?

Investor type
VC

Where is John S. Chalkiopoulos based?

John S. Chalkiopoulos is based in Santa Clara, California.

Browse more startup investors near John S. Chalkiopoulos:
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How to reach John S. Chalkiopoulos

Angels and operators like John S. Chalkiopoulos 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.

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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. How this data is built.

Cite this page

Round Funded. "John S. Chalkiopoulos." Round Funded investor database, updated September 22, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/john-s-chalkiopoulos

Frequently Asked Questions

Who is John S. Chalkiopoulos?

John S. Chalkiopoulos, Venture investor in Santa Clara is an active investor based in Santa Clara, California. John S. Chalkiopoulos invests in SaaS & Enterprise, Artificial Intelligence and Fintech, typically at Seed and Series A.

What does John S. Chalkiopoulos invest in?

John S. Chalkiopoulos invests in SaaS & Enterprise, Artificial Intelligence and Fintech, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.

What stage does John S. Chalkiopoulos invest at?

John S. Chalkiopoulos typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.

What is John S. Chalkiopoulos's typical check size?

John S. Chalkiopoulos typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.

Where is John S. Chalkiopoulos based?

John S. Chalkiopoulos is based in Santa Clara, 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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