Investor profile
Etienne Castiaux
Private equity, Venture capital & Founding Partner at Motive Partners
Etienne Castiaux is a Founding Partner at Motive Partners, whose known portfolio counts 10 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Founding Partner at Motive Partners, whose known portfolio counts 10 companies
- Steward
- Laka
- FNZ
- Artifact AI
- Octaura
- Finperks
- Monnai
- Obin AI
- Asseta AI
- Electric Mind
Investor Profile
The listing covers sectors AI, FinTech and SaaS, and focus areas Banking, Capital Markets, Data Analytics and Enterprise SaaS. Startups operating in these areas may find Etienne Castiaux relevant.
Stage-wise, the deals at Motive Partners cluster around Late-Stage, Pre-Seed and Seed rounds.
The firm portfolio and the focus above give founders context on whether Etienne Castiaux matches their raise.
Colleagues at Motive Partners
Kilian Thalhammer
Investor
Munich, Germany
Philipp Linkens
Principal, Legal & Regulatory
Berlin, Germany
Zade Zalatimo
Industry Partner
United Arab Emirates
Rob Heyvaert
Managing Partner
New York, United States
Neil Cochrane
Partner
London, United Kingdom
Ramin Niroumand
Partner
New York, United States
Michael Hock
Partner, Venture
Munich, Germany
Kristy Trieste
Founding Partner
New York, United States
Worth Newman
Principal
London, United Kingdom
Miguel Tejeda
Managing Director
New York, United States
Scott Kauffman
Founding Partner
New York, United States
Julia Hubo
Vice President, Ventures
United Kingdom
Harsh G.
Partner, Ventures
New York, United States
Thorsten Jaeckel
Limited Partner & Advisor
Las Vegas, United States
Jake Janjigian
Principal
New York, United States
Bill Tarr
Managing Director
San Francisco, United States
Frequently asked questions
Who is Etienne Castiaux?
Etienne Castiaux is a private equity investor and venture capital investor based in Brussels, Belgium, listed as Founding Partner at Motive Partners. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Etienne Castiaux personally.
What does Etienne Castiaux invest in?
Listed sectors include AI, FinTech and SaaS; listed focus areas include Banking, Capital Markets, Data Analytics and Enterprise SaaS. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Etienne Castiaux invest at?
Motive Partners appears in Late-Stage, Pre-Seed and Seed rounds across its known deals, and Etienne Castiaux is listed there as Founding Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Etienne Castiaux listed at?
Etienne Castiaux is listed as Founding Partner at Motive Partners. 16 other people in the database share a firm with Etienne Castiaux.
How do I contact Etienne Castiaux?
An email address, a phone number and a LinkedIn page are on file for Etienne Castiaux. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal