The problems in Chase bank's Investment Office unit were first reported in the WSJ April 5, 2012. Large positions were taken by Mr Michael Iksil, a trader in the London office that ruffled credit markets. Iksil reports to Achilles Macris, head of the European operations of the Investment Office unit, and Macris reports to Ms. Drew. At the time CEO Dimon and other executives reviewed trading positions and made no changes in strategies. After April 13 earnings call losses increased to $200 million a day, and review teams assigned to look into this found errors in the way the hedges were conducted. In early May Chief Risk Officer John Hogan and Europe head Daniel Pinto monitored the situation. The hedges were designed to reduce risk in the eurozone financial crisis, but the complex transactions based on relationships between a number of derivative indexes for investment grade and junk grade corporate bonds in U.S. and Europe worked in ways that led to large losses, and were so complicated that they were poorly understood....