Given how much time and energy we expend at the office, the customs and feel of a workplace really matter. We’ve all heard about offices where employees are afraid to leave their desks and clock 50 hours or more per week.

Yet we’ve also heard tales of workplaces where colleagues collaborate, people leave in time for dinner at home and everyone jokes around with management at Friday company-provided breakfasts.

The culture makes all the difference. So how do chief executives set the tone for a compelling, empowering and productive office culture? Click ‘play’ to find out.