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Jendrik Poloczek

Investor

Investor at Greenfield One

Berlin, Germany

Writes $100K – $5M checks · typically $1.5M

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Ask Dominik Matyka to introduce you to Jendrik

You →Dominik · together at plista GmbH (2014–2015) →Jendrik

Ask Jamie Chen to introduce you to Jendrik

You →Jamie · together at TokenAnalyst →Jendrik

Ask Sam Okafor to introduce you to Jendrik

You →Sam · 3 people · together at Aikido Security →Jendrik

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Experience

  1. Aikido SecurityBlockchain Security Engineer (AI pentest)current2026 — present
  2. Greenfield CapitalPrincipal Research Engineer and IC member2022 — 2025Berlin, Germany
  3. Greenfield CapitalHead of Engineering2020 — 2022Berlin, Germany
  4. CoinbaseSenior Software Engineer2020San Francisco, California, United States
  5. TokenAnalystHead of Engineering2019 — 2020London Area, United Kingdom
  6. TokenAnalystTech Lead2018 — 2019London Area, United Kingdom
  7. ReeboCo-Founder, CTO2018 — 2019Berlin, Germany
  8. Entrepreneur FirstEntrepreneur In Residence2018Berlin, Germany
  9. Hive StreamingBackend and Data Engineer2016 — 2017Stockholm
  10. plista GmbHData Engineer2014 — 2015Berlin
  11. Carl von Ossietzky Universität OldenburgPhD Researcher2013 — 2014Oldenburg

Skills & more

Google Cloud Platform (GCP)Smart Contracts6Open Source15Git5React.js4Cascading Style Sheets (CSS)2Amazon S32Apache Spark Streaming2Solidity1SQLScala25Linux15
+12 morePythonJavaCGrafanaLaTeXC++Amazon Web Services (AWS)OAuthSystems EngineeringData AnalysisData ScienceData Modeling

Languages Deutsch · Englisch · Italian

  • Application Security and Secure Coding Training course in Go — Codebashing
  • First Step Korean — Coursera
  • Learning How to Learn: Powerful mental tools to help you master tough subjects — Coursera

From Jendrik's professional profile.

Colleagues at Greenfield One

Andrzej Dzius
Partner and Chief Technology Officer at Greenfield
Anies Khan
Associate at Greenfield One
Christian Braun
Director IT at Greenfield One
Christian Zimmermann
Partner and Chief Operating Officer at Greenfield One
Christoph Rosenmayr
Analyst at Greenfield One
Claude Donzé
Principal at Greenfield
David An
Investor at Greenfield One
Dennis Unruh
VP Finance & Operations at Greenfield One

Frequently asked questions

Who is Jendrik Poloczek?
Investor at Greenfield One
Where does Jendrik Poloczek work?
Jendrik Poloczek is Investor at Greenfield One.
What check size does Jendrik Poloczek write?
Jendrik Poloczek typically writes checks of $100K – $5M.
Where did Jendrik Poloczek go to school?
Jendrik Poloczek studied at Carl von Ossietzky University of Oldenburg (Master of Science (MS), Informatik).

Same school

Shared employers

Also worked at TokenAnalyst1

Sid ShekharAdvisor at Fabric Ventures