Our methodology


Based on Design Thinking, our supports guide the work of participants. They enable us to produce a high-impact deliverable in record time.

Pedagogical contributions
adapted to the needs
of the company

Each phase of Design Thinking is the opportunity to work on a specific skill:
– Active listening during the empathy phase
– Creativity during the ideation phase
– Teamwork during the prototyping phase
– Impactful verbal communication during pitching

A team
of coaches
and designers

Big Bloom coaches and designers
provide method,
kindness and fun.


Our ambition

To develop business leaders committed
to the common good

Our history

A consultant specialized in the design of training programs for young talents, Yvan Gatignon created Big Bloom in 2018 at the request of HR managers who wanted to offer their employees an experiential, inter-company and solidarity training program.

After a first successful hackathon in December 2018 in Paris, Big Bloom has spread to Brussels, Lisbon, Singapore, …

Our model

The hackathons are organized by local coaches who are members of the association and commit to respecting its values and format. 

We are an open source community of social entrepreneurs!

How to reach us

You’re a coach and you want to organize
a Big Bloom hackathon?

Contact us!