Financial News on Monday will publish a profile of Douglas Ferrans, chairman of the Investment Management Association, as part of a series on the 100 most influential people in the capital markets. Here we ask Ferrans five questions, including on the best piece of advice he's ever been given - and his greatest achievement.

What keeps you up at night? Useless and lengthy emails. I tend not to respond to these immediately…so clearing out my inbox after midnight is a common occurrence.