Théo started slacklining in 2010 and is a founding member and the current president of C’est Slack…er Bon, a local slackline association in France. Since 2011 he works as a professional slackliner and tightrope walker. Throughout the years he has been heavily engaged in volunteer work. Standing out, in his position as the former president of the Slackline Commission of the FFCAM, a French federation of clubs promoting mountain sports, Theo has taken an active role in negotiating an accident insurance provided to all slackliners. With a background in physical education Theo has put much of his energy in teaching slacklining and other sports. Drawing from his vast experience as a slackline instructor, Theo published an educational book named “la slackline s’initier et progresser”, together with Lola Seyller in 2016. Currently he is sailing around the world in scope of the elemen’terre project.