The biggest European business gathering

To celebrate the 10th anniversary of Big, with its theme of Progress, L'Optimiste reinvents itself with a new, original format. This anniversary issue, inspired by travel journals, explores Bpifrance's nine strategic challenges for the next five years. Through a series of unique illustrations, plunge into Big's iconic spaces and let yourself be inspired by this special edition, which promises to take you to the heart of innovation and progress.