
Big Bloom is a non-profit association whose members are the organizers of hackathons around the world..
Big Bloom was founded in 2018 by Yvan Gatignon, a consultant specializing in collective intelligence methods, in order to put his know-how at the service of social innovation..
The first Big Bloom hackathon was held on December 13 and 14, 2018 in Paris. Big Bloom started in 2019 in Brussels, Lisbon and Singapore. In 2022, Big Bloom is already present in fifteen countries.
The project is co-directed by Yvan Gatignon and Marie Van Gucht.
The members of the association


Adeline Michaux
+32 493 83 70 20
adeline@co-station.com

Arantxa Balson
+33 6 24 69 06 13
arantxa.balson@in4impact.com

Barbara Staebell
+33 6 75 06 81 55
bs@groupe-evolv.com

Ben Safra
+971 52 751 7970
ben@sen8ate.com

Cyrille Gosse
+852 6306 7145
cyrille@elevatecareer.io

Fabienne Cuisinier
+49 151 175 65 097
fabienne@startwhereyouare.net

Gergana David
+64 21 718 260
gergana.david@bigbloom.org

Karine Le Flanchec
+689 87 79 84 12
karine.leflanchec@bigbloom.org

Laura Montagna
+33 6 98 74 75 30
laura.bigbloom@gmail.com

Laure Bouery
+41 79 260 60 29
l.bouery@gmail.com

Maria Kassova
+359 895 680062
mkassova@mkmotivation.com

Marie Van Gucht
+33 6 84 55 27 86
marie.vangucht@bigbloom.org

Pilar Casquilho
+351 917 893 724
pilar.casquilho@bigbloom.org

Sophie Rabattu
+34 6 61 91 15 84
srabattu@gmail.com

Sophie Régis
+33 7 82 24 97 63
sophie.regis0604@gmail.com

Yvan Gatignon
+33 6 77 28 26 60
yvan.gatignon@bigbloom.org
The project leaders


Anne-Laure Delefosse
anne-laure.delefosse@bigbloom.org

Camille Le Gal
camille.legal@bigbloom.org

Elodie Charvet
elodie.bigbloom@gmail.com

Léa Hermange
lea.bigbloom@gmail.com

Tiana Rajaonarivo
tiana.rajaonarivo@bigbloom.org