Costa Yiannoulis

Active Investor

Co-founder and Managing Partner at Synthesis Capital

London, England

LinkedIn

Costa Yiannoulis, Co-founder and Managing Partner at Synthesis Capital is an active investor based in London, England. This profile covers what Costa Yiannoulis backs, at which stage, and how founders can reach out in 2026.

Costa Yiannoulis is Co-founder and Managing Partner at Synthesis Capital, investing in the future of food.

Costa Yiannoulis invests in FoodTech & Agriculture and Consumer & Retail, typically at Seed, Series A and Early Stage Venture.

Firm
Synthesis Capital
Location
London, England
Typical check
$500K

What does Costa Yiannoulis invest in?

Investor type
VC
Stages
SeedSeries AEarly Stage Venture
Invests in
FoodTech & AgricultureConsumer & Retail

Where is Costa Yiannoulis based?

Costa Yiannoulis is based in London, England.

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How to reach Costa Yiannoulis

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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. "Costa Yiannoulis." Round Funded investor database, updated September 22, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/costa-yiannoulis-london

Frequently Asked Questions

Who is Costa Yiannoulis?

Costa Yiannoulis, Co-founder and Managing Partner at Synthesis Capital is an active investor based in London, England. Costa Yiannoulis invests in FoodTech & Agriculture and Consumer & Retail, typically at Seed, Series A and Early Stage Venture.

What does Costa Yiannoulis invest in?

Costa Yiannoulis invests in FoodTech & Agriculture and Consumer & Retail, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Costa Yiannoulis invest at?

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

What is Costa Yiannoulis's typical check size?

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

Where is Costa Yiannoulis based?

Costa Yiannoulis is based in London, England.

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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