As the infighting continued, Mr. Macris was supervising Bruno Iksil, who amassed huge positions in the credit markets.
FORBES: The Perfect Storm At JPMorgan Chase
2.
Ms. Tse was even less equipped to battle Mr. Macris because, unlike Ms. Duersten, she was a newcomer to the firm and first had to find her bearings.
FORBES: The Perfect Storm At JPMorgan Chase
3.
During this time, Mr. Macris gained more latitude to build and expand trades from his desk in London including the wagers that ultimately went so wrong for the bank.