Nick Mowbray: rich-lister and Zuru co-founder on the secrets to his success

The country's richest man is passing on some advice. Zuru founders Nick and Mat Mowbray have retained the top spot on the annual NBR rich-list, with an estimated net worth of $20 billion. The rich-list's collective value has increased 26 percent in the past year to $129 billion - and the number of billionaires has also risen from 18 to 26. Nick Mowbray says there are some keys to success. "It just takes a winning mindset, I think, number one - an approach to continuous improvement. And number two - also, just a sense of belief that you can go out and win as well."  LISTEN ABOVESee omnystudio.com/listener for privacy information.