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About
Jelmer De Jong has spent over two decades building companies and products across founder, marketer, product, and engineering roles before moving into venture capital. He started a web agency during high school building websites and e-commerce stores for offline retailers, then joined the fresh-produce trading platform eFresh.com, and later spent nearly ten years at digital banking software company Backbase, where he helped lead the company through two pivots as it scaled toward unicorn status. After a stint at seed and Series A B2B SaaS fund henQ, he joined RTP in 2021, where he builds the firm's data and intelligence capability. He invests in seed and Series A companies across enterprise software, cyber (security, intelligence, defense/offense), dev and cloud, global resilience, critical infrastructure, and fintech infrastructure.
Contact· published on Jelmer's own website
Invests in
AI & Machine LearningCloud ComputingCybersecurityDefense TechDeveloper ToolsE-commerceEnterprise SoftwareFintechSaaS
Beyond investing
- Founded
- Founded a web agency during high school that built websites, e-commerce stores, and early mobile apps for offline retailers and startups.
- Hobbies
- Describes 'the internet' as his hobby and is an OSINT hobbyist and self-described copy-paste programmer.
From Jelmer's own website — common ground for a warm intro.
Investments
Investor
Ahead Healthaito.aiAll3emmaFever
Per curated public sources.
Podcasts & interviews
featuring Jelmer De JongFinovateFall 2014 / Backbase
Finovate TV
Writing
All posts ↗Colleagues at RTP Global
Frequently asked questions
- Who is Jelmer De Jong?
- Jelmer De Jong has spent over two decades building companies and products across founder, marketer, product, and engineering roles before moving into venture capital. He started a web agency during high school building websites and e-commerce stores for offline retailers, then joined the fresh-produce trading platform eFresh.com, and later spent nearly ten years at digital banking software company Backbase, where he helped lead the company through two pivots as it scaled toward unicorn status. After a stint at seed and Series A B2B SaaS fund henQ, he joined RTP in 2021, where he builds the firm's data and intelligence capability. He invests in seed and Series A companies across enterprise software, cyber (security, intelligence, defense/offense), dev and cloud, global resilience, critical infrastructure, and fintech infrastructure.
- Where does Jelmer De Jong work?
- Jelmer De Jong is Partner, Europe at RTP Global.
- What does Jelmer De Jong invest in?
- Jelmer De Jong invests in AI & Machine Learning, Cloud Computing, Cybersecurity, Defense Tech, Developer Tools, E-commerce, Enterprise Software, Fintech, SaaS.
- What companies has Jelmer De Jong invested in?
- Investments tracked here include Ahead Health, aito.ai, All3, emma, Fever.
- What has Jelmer De Jong written?
- Jelmer De Jong has 1 tracked post on jelmerdejong.com, including "On Speed".
- What podcasts and interviews feature Jelmer De Jong?
- Tracked appearances include "FinovateFall 2014 / Backbase".
About this profile. Compiled from public sources — RTP Global's own website, press coverage and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights






