By Tom Sims and John O’Donnell
IN 2013, Deutsche Bank handed Christian Sewing, a rising star, the sensitive assignment of investigating derivatives trades under scrutiny in Italy.
More than a decade later, Sewing, now CEO, faces criticism in a lawsuit by a former Deutsche employee over his handling of the task. The suit has prompted Deutsche to review how the bank and Sewing, chief auditor at the time, managed the situation, according to a person with knowledge of the matter.







