Kweku adoboli was a ghanian born british trader at swiss bank ubs global synthetic equities trading team in london and is best known for his role in the 2011 ubs rogue trader scandal never looked that sorry t shirt design reads ubs rogue trader still not looking sorry enough in photos by city slruth updated september 20 2011 at 0712 be the first to comment on this story swiss bank ubs has pronuised a thorough investigation into why its london based rogue trader continues to look unrepenta