Jérôme Kerviel Jérôme Kerviel Jérôme Kerviel (; born 1977) is a French trader who was convicted in the 2008 Société Générale trading loss for breach of trust, forgery and unauthorized use of the bank's computers, resulting in losses valued at €4.9 billion. Société Générale characterizes Kerviel as a rogue trader and claims Kerviel worked these trades alone and without its authorization. These assertions have been met with skepticism by some of Kerviel's former colleagues and acquaintances, as well as by some members of the news media. Kerviel had told investigators that his trading behavior was widespread at the company and that making
2011 UBS rogue trader scandal 2011 UBS rogue trader scandal The 2011 UBS rogue trader scandal caused a loss of over US$2 billion dollars at Swiss bank UBS, as a result of unauthorized trading performed by Kweku Adoboli, a director of the bank's Global Synthetic Equities Trading team in London in early September 2011. On 24 September 2011, Oswald Grübel, the CEO of UBS, resigned "to assume responsibility for the recent unauthorized trading incident", according to a memo to UBS staff. On 5 October Francois Gouws and Yassine Bouhara, the co-heads of Global Equities at UBS, also resigned. It later emerged that UBS had failed