Oak Prairie Investments

Leveraging our Wall Street, Madison Street and Big Data expertise to seed startups in ripe markets.

We partner with exceptional founders building transformative companies across technology, healthcare, and consumer sectors.

Our Team

Experienced professionals united by a passion for nurturing innovative startups.

JD

Joseph de Castelnau

General Manager

Wall Street - Madison Street - Big Data

Toulouse
N

Nadine

MatchMaker

Trust - Generosity - Syncretic

Toulouse
+33 7 81 12 76 69

Primary contact for inquiries

NP

Nik Patel

Chief Technology Officer

Pioneer in Digital Twin-Fin Skyscrapers technology

Chicago
R

Ram

Chief Data Officer

Inventor of an end-to-end Analytics Platform to grow sales predictably

Chennai
L

Laurane

Chief Human Empowerer

Decodade Intuitif - Accountability - Relentless

Toulouse
F

Francisco

Chief Stress Tester

System Analysis - PinPoint Judgement - Teardowns

Chicago
P

Pauline

Chief Growth Officer

Grit - Service - Execution

Toulouse
B

Benjamin

Visionator

Design to execution

San Francisco

Portfolio

Companies we're proud to partner with and support on their journey.

Currently Seeding

RosenGuard

Understand the competitive landscape with Leading Data Products that propel your Organization

Visit website

GreenMaker

GreenTech platform to democratize greening ecosystems

Scent Of A Lilac Dusk

The best feeling your skin ever felt

AntiDate

The IRLTech app to make dating fun again

Crazy AI Priest

Beat the corporate walls by acting as one of the characters to innovate on new products creation

PommesAnnaGrow

Grow Restaurant sales with innovative GTM Strategies

Vuze

Grow your rainy day funds by understanding and investing in predictable categories

Banana Fuel

Turn your tools and people into flywheelable, fully fueled businesses

EMPY71

Stealth

Stealth

Successful Exits

Nielsen

Marketing Analytics

Acquired by Nielsen

Lehman Brothers

RealTick

Acquired by Lehman Brothers

CuraLeaf

Grassroots

Acquired by CuraLeaf

Syncresia

RezoArt

Acquired by Syncresia