OTB | 130,449 followers on LinkedIn. OTB is an international fashion group, powering a range of global, unconventional brands, including Diesel, Jil Sander, Maison Margiela, Marni, and Viktor&Rolf. The group also controls the Staff International and Brave Kid companies, and holds a stake in L.A. brand Amiri. OTB embodies the brave, innovative and unapologetic spirit and vision of its founder and chairman Renzo Rosso, who disrupted the world of fashion with an open-minded, highly creative mentality, aimed at “building not the biggest, but the most alternative fashion group,” as he stated.