![](https://www.bigbloom.org/wp-content/uploads/2022/11/Big-Bloom-Separator-Blue.png)
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
![](https://www.bigbloom.org/wp-content/uploads/2022/11/Big-Bloom-Separator-Blue.png)
![Antoine Le Guilloux](https://www.bigbloom.org/wp-content/uploads/2024/03/Big_Bloom-contact-Antoine-Le-Guilloux-1.jpg)
Antoine Le Guilloux
+33 6 31 80 97 75
antoine.leguilloux@bigbloom.org
![Assia El Ouazzani](https://www.bigbloom.org/wp-content/uploads/2023/04/Big_Bloom-contact-Assia_El_Ouazzani-1.jpg)
Assia El Ouazzani
+33 (0)6 65 88 37 86
assia.el_ouazzani@bigbloom.org
![Barbara Staebell](https://www.bigbloom.org/wp-content/uploads/2021/05/Big_Bloom-contact-Barbara-Steabell-02.jpg)
Barbara Staebell
+33 6 75 06 81 55
barbara.staebell@bigbloom.org
![Gergana David](https://www.bigbloom.org/wp-content/uploads/2024/03/Big_Bloom-contact-Gergana-David-04-1.jpg)
Gergana David
+64 21 718 260
gergana.david@bigbloom.org
![Karine Le Flanchec](https://www.bigbloom.org/wp-content/uploads/2020/02/Big_Bloom-Karine-Le_Flanchec-1.png)
Karine Le Flanchec
+689 87 79 84 12
karine.leflanchec@bigbloom.org
![Laura Montagna](https://www.bigbloom.org/wp-content/uploads/2021/05/Big_Bloom-contact-Laura-Montagna-02.jpg)
Laura Montagna
+33 6 98 74 75 30
laura.montagna@bigbloom.org
![Marie Van Gucht](https://www.bigbloom.org/wp-content/uploads/2022/01/Big_Bloom-contact-Marie-Van-Gucht-Grey.jpg)
Marie Van Gucht
+33 6 84 55 27 86
marie.vangucht@bigbloom.org
![Neige Nicolas](https://www.bigbloom.org/wp-content/uploads/2023/04/Big_Bloom-contact-Neige-Nicolas-1.jpg)
Neige Nicolas
+33 (0)6 98 01 26 69
neige.nicolas@bigbloom.org
![Pilar Casquilho](https://www.bigbloom.org/wp-content/uploads/2019/06/Big_Bloom-Pilar_Casquilho-OK2.png)
Pilar Casquilho
+351 917 893 724
pilar.casquilho@bigbloom.org
![Scott Drummond](https://www.bigbloom.org/wp-content/uploads/2024/03/Big_Bloom-contact-Scott-Drummond-1.jpg)
Scott Drummond
+44 73 88 15 35 08
scott.drummond@bigbloom.org
![Sophie Rabattu](https://www.bigbloom.org/wp-content/uploads/2021/05/Big_Bloom-contact-Sophie-Rabattu-02.jpg)
Sophie Rabattu
+34 6 61 91 15 84
sophie.rabattu@bigbloom.org
![Sophie Régis](https://www.bigbloom.org/wp-content/uploads/2024/03/Big_Bloom-contact-Sophie-Regis-03b-1.jpg)
Sophie Régis
+33 7 82 24 97 63
sophie.regis@bigbloom.org
![Stella Riggi](https://www.bigbloom.org/wp-content/uploads/2023/02/Big_Bloom-Stella_Riggi.jpg)
Stella Riggi
+1 (514) 758-8970
stella.riggi@bigbloom.org
![Yvan Gatignon](https://www.bigbloom.org/wp-content/uploads/2021/05/Big_Bloom-contact-Yvan-Gatignon-03.jpg)
Yvan Gatignon
+33 6 77 28 26 60
yvan.gatignon@bigbloom.org