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.
Experience
- RTP GlobalPartner & CTO (Intelligence, AI & Data)current2021 — presentLondon, New York, Amsterdam.
- henQ Capital PartnersPartner, Tech & Data Lead2019 — 2021Amsterdam, North Holland, Netherlands
- BackbaseProduct & Marketing2010 — 2019Amsterdam & New York.
- eFresh.com B.V.Tech & Product2007 — 2010Zaanstad, North Holland, Netherlands
- QuriumFounder & Developer2003 — 2007Netherlands
Skills & more
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Source IntelligenceProduct MarketingUser ExperienceCRMDigital MarketingEntrepreneurshipInternational MarketingOnline AdvertisingGo-to-market StrategyNew Business DevelopmentContent MarketingStrategyLanguages Dutch · English
- Certified Open Source Intelligence Specialist® (COS®) — Aware Online
- Certified Open Source Investigator® (COI®) — Aware Online
From Jelmer's professional profile.
Podcasts & interviews
featuring Jelmer De JongFinovateFall 2014 / Backbase
Finovate TV
Writing
All posts ↗Recent posts cover startup execution speed and the value of planning in small time units, plus a personal note announcing the revival of the author's blog.
Argues that execution speed is a startup's key advantage and that planning in the smallest time units, such as days rather than quarters, drives faster delivery.
The author announces reviving his personal blog in 2025, reflecting on his history of blogging since 2003 and his enjoyment of writing to organize thoughts.
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 has Jelmer De Jong written?
- Jelmer De Jong has 2 tracked posts on jelmerdejong.com, including "On Speed", "Hello World".
- What podcasts and interviews feature Jelmer De Jong?
- Tracked appearances include "FinovateFall 2014 / Backbase".
Shared employers
Also worked at henQ Capital Partners7
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