Rutger Geelen
Managing Partner at IM Efficiency
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolRutger Geelen is an AI-first finance leader, managing partner and seasoned scale-up CFO who helps early-stage and fast-growing companies solve cash, reporting and fundraising challenges so founders can focus on product and customers. With over 20 years in tech, finance and entrepreneurship, he has co-founded ventures across renewable energy, waste upcycling, clean cooking, calendaring and education, and holds an MBA in Big Data & Business Analytics plus Dutch CPA credentials. Rutger specialises in building finance teams, data-driven reporting and investor-ready financials, and frequently serves as a fractional CFO for mission-driven scale-ups and venture builders. He combines hands-on deal experience—M&A, integrations and funding strategy—with an operational focus on processes, forecasting and CAC/LTV analysis. A persistent maker and mentor (Rockstart Energy), he brings a rare mix of impact-oriented ventures and analytics-first finance practice, recently sharpening domain expertise in batteries and energy transition.
12 years of coding experience
14 years of employment as a software developer
Praedinius GymnasiumMaster of Business Administration - MBA, Big Data & Business Analytics, Master of Business Administration - MBA, Big Data & Business Analytics at University of Amsterdam - Amsterdam Business SchoolRegister Accountant (RA/CPA), Auditing, Register Accountant (RA/CPA), Auditing at University of GroningenBatteryMBA is a CPD accredited programme training battery leaders worldwide. Taught by top industry experts, this twelve weeks programme provides a combination of in-depth technical and business knowledge, from lithium-ion battery cell production to clean tech market trend analysis. The BatteryMBA is powered by Battery Associates., BatteryMBA is a CPD accredited programme training battery leaders worldwide. Taught by top industry experts, this twelve weeks programme provides a combination of in-depth technical and business knowledge, from lithium-ion battery cell production to clean tech market trend analysis. The BatteryMBA is powered by Battery Associates. at BatteryMBA
English, Dutch
Stackoverflow
185reputation
19kreached
7answers
9questions
Github Skills (58)
docker-compose10
elk10
logstash10
elasticstack10
kibana9
searchguard9
docker9
elasticsearch9
googleapis8
sequel8
api8
mongoid8
application-server8
google-api8
appserver7
Programming languages (9)
Github contributions (5)
schedjoules/event-discovery-api
May 2017 - Apr 2022
Contributions:2 PRs, 25 pushes, 2 comments in 4 years 11 months
apiopenapimarkdown
schedjoules/iOS-SDK
Nov 2014 - Sep 2018
Contributions:2 releases, 47 commits, 33 pushes in 3 years 11 months
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