Britain's decision to leave the EU, upcoming elections in the US and economic uncertainty – there's plenty for an investment banking head to worry about at the moment. But Jim Amine, Credit Suisse's chief executive of investment banking and capital markets, insists he is keeping his cool.

In his first interview since the Swiss bank published its quarterly results on July 28, showing that his division had generated a pre-tax profit of Sfr135 million after two loss-making quarters, New York-based Amine tells FN what keeps him up at night, how he measures success and why London remains important post-Brexit.