Every year a slew of Australian high-flyers give up a sojourn to the European summer to instead shiver through the CEO sleepout. On Thursday night (amidst a cold snap), this year’s participants raised $8 million for the St Vincent de Paul’s homelessness services.

This was achieved by tapping their networks for sponsorship, shedding light on some of the more powerful and deep-pocketed social and professional webs around the country.