Senior managers at Source, a newly launched exchange-traded products business, are grappling with the culture shock of moving from investment banking to asset management. Source is a joint venture between Bank of America Merrill Lynch, Goldman Sachs and Morgan Stanley.

“We have switched hats,” said Ted Hood, chief executive officer of Source, a former Morgan Stanley man. “Those of us inside the box have already found we sometimes have to say to our sponsors and partners: ‘We can’t do it like that.’” The main difference between the two cultures is the need to prioritise the interests of investors above those of shareholders, he said.