/People

Jonathan Loesing

InvestorFounder

Venture Scout at EWOR · Co-Founder & CEO at Rex

Berlin, Germany

Writes $250K – $750K checks · typically $500K

FoundedRex

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Ask Christian Siegele to introduce you to Jonathan

You →Christian · together at Rex (2025–2026) →Jonathan

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You →Jamie · 2 people · together at EWOR →Jonathan

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You →Sam · 9 people · together at PICUS CAPITAL →Jonathan

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Co-Founder & CEO at Rex

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Co-founders at Rex

JLJulian Lechner
Julian LechnerCo-Founder & COO

Experience

  1. RexFounder & CEOcurrent2022 — presentBerlin, Germany
  2. Calm/StormSupporting Partnercurrent2025 — present
  3. Hochschule Neu-UlmAdjunct Lecturercurrent2026 — present
  4. EWORVenture Scoutcurrent2025 — present
  5. Picus CapitalVenture Scoutcurrent2022 — present
  6. McKinsey & CompanyJr. Engagement Manager2020 — 2021Berlin, Bonn, London, Munich, Copenhagen, Paris
  7. McKinsey & CompanyConsultant2018 — 2020
  8. ForexfixCo-Founder2017 — 2018Berlin Metropolitan Area
  9. Various CompaniesVarious Internships2011 — 2015London, Bangalore, Madrid, Berlin, Frankfurt, Bonn

Skills & more

Team Leadership27Strategy21Teamwork22Management4Public Speaking5Entrepreneurship16Startups5Social Media12Research12Foreign Languages6Current Affairs4Speech Writing4
+10 morePolitical ScienceInternational RelationsProject PlanningProgram CoordinationStart-upsSQLMicrosoft OfficePowerPointMicrosoft ExcelVisual Basic for Applications (VBA)

From Jonathan's professional profile.

Colleagues at EWOR

Network2

Investors connected to Jonathan in public investor directories — a warm-intro map.

Frequently asked questions

Who is Jonathan Loesing?
Investor at Calm/Storm VC
Where does Jonathan Loesing work?
Jonathan Loesing is Co-Founder & CEO of Rex and Venture Scout at EWOR.
What check size does Jonathan Loesing write?
Jonathan Loesing typically writes checks of $250K – $750K.
What companies did Jonathan Loesing found?
Jonathan Loesing founded Rex.
Where did Jonathan Loesing go to school?
Jonathan Loesing studied at University of Cambridge (Bachelor's degree, Human); Stiftung Louisenlund (Abitur, Mathematics).

Founder mafias

Same school

Shared employers