How do I contact Marcus Erken?

Marcus Erken, Partner at Sunfish Partners, can be reached by email. The verified email address is listed on this page.

What is Marcus Erken's email address?

Marcus Erken's email address uses the sunfish.vc domain (shown as *****@sunfish.vc until revealed).

What does Marcus Erken invest in?

Marcus Erken backs Deep tech companies at Pre-seed and Seed, typically writing €230k–€460k cheques.

How do I cold email Marcus Erken?

Marcus Erken backs Deep tech companies at Pre-seed and Seed, writing €230k–€460k cheques. A concise cold email that leads with relevant traction and one specific ask, sent to the verified address on this page, is the most direct way to reach Marcus.

Where is Marcus Erken based?

Marcus Erken is based in Warsaw, Poland and works at Sunfish Partners.

Marcus Erken Email & Contact Information

Partner @ Sunfish Partners

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Marcus Erken Location

Warsaw, Poland

Marcus Erken Investing

Marcus is a founding partner of Sunfish Partners, an early stage VC that invests in Polish deep tech startups.

Stages: Pre-seed, Seed
Sectors: Deep tech
Cheque size: €230k–€460k
Freshness: Verified 1mo ago

Marcus Erken Summary

Marcus Erken, based in Warsaw, Poland, is a Partner at Sunfish Partners. Marcus Erken invests in Deep tech at Pre-seed and Seed, writing €230k–€460k cheques. Marcus Erken's verified email and contact details are available on Mintround.

How to cold email Marcus Erken

Marcus Erken, Sunfish Partners in Warsaw, Poland, backs Deep tech companies at Pre-seed and Seed, writing €230k–€460k cheques. Here's how to get a reply when you cold email Marcus:

Subject line: name your company and one metric that matters to Deep tech, not “quick chat”.
First line: your strongest traction, the real numbers, not adjectives.
One ask: a 20-minute call with a date range. Keep it under 150 words.
Send it to Marcus's verified address below. No warm intro required.

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Notable investments

DefendEyeSeed · $1M · 2025
mysite.aiPre Seed · $500K · 2024
Orbital MatterPre Seed · $1M · 2023
Smarter DiagnosticsPre Seed · $700K · 2023
AIRMOPre Seed · $6M · 2023
LifteroPre Seed · 2023
liftOSSeed · $1M · 2023
BlockbrainPre Seed · $3M · 2022

Frequently co-invests with

Alan PoensgenAntlerAnna AlexChristoph KlinkAntlerFlorin VisaEarly Game VenturesMaciej FrankowiczMeera BissoondeealElement VenturesMichael HochholzerGiesecke+Devrient VenturesRob DesboroughSeraphim SpaceRobert MaierŁukasz Mańkowskiff Venture Capital

Marcus Erken's colleagues at Sunfish Partners

Christian WeissPartner, Sunfish Partners

See all 2 at Sunfish Partners →

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In the press

Frequently asked questions

How do I contact Marcus Erken?: Marcus Erken, Partner at Sunfish Partners, can be reached by email. The verified email address is listed on this page.
What is Marcus Erken's email address?: Marcus Erken's email address uses the sunfish.vc domain (shown as *****@sunfish.vc until revealed).
What does Marcus Erken invest in?: Marcus Erken backs Deep tech companies at Pre-seed and Seed, typically writing €230k–€460k cheques.
How do I cold email Marcus Erken?: Marcus Erken backs Deep tech companies at Pre-seed and Seed, writing €230k–€460k cheques. A concise cold email that leads with relevant traction and one specific ask, sent to the verified address on this page, is the most direct way to reach Marcus.
Where is Marcus Erken based?: Marcus Erken is based in Warsaw, Poland and works at Sunfish Partners.

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