Etienne Castiaux
Founding Partner, Chief Technology Officer at Motive Partners
Brussels, Brussels-Capital Region
Etienne Castiaux, Founding Partner, Chief Technology Officer at Motive Partners is an active investor based in Brussels, Brussels-Capital Region. This profile covers what Etienne Castiaux backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPE
- Stages
- Early Stage Venture
- Invests in
- Artificial IntelligenceFintechPaymentsInsurTechSaaS & EnterpriseDeveloper Tools & DataMobility & LogisticsSupply Chain & Logistics
- Location
- Brussels, Brussels-Capital Region
- Typical check
- $500K
- Past investments
- 10
Notable investments
Pollinate Networks
Dun & BradstreetLMRKTS
BindableFinantixQOMPLXAvaloqVarious startups and mid-size companiesLPA Lucht Probst AssociatesGlobal SharesHow to reach Etienne Castiaux
Angels and operators like Etienne Castiaux reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Etienne Castiaux
Frequently Asked Questions
What does Etienne Castiaux invest in?
Etienne Castiaux invests in Artificial Intelligence, Fintech, Payments and InsurTech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Etienne Castiaux invest at?
Etienne Castiaux typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Etienne Castiaux's typical check size?
Etienne Castiaux typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do I contact Etienne Castiaux?
Unlock Etienne Castiaux's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.