A university dropout who was $20,000 in debt before becoming a millionaire at the age of 26 has shared what he learned from billionaire Sir .<br> entrepreneur and investor Jack Delosa has a come a long way since ditching his commerce law degree at 18 to ­start a business-to-business call centre, his first and only failed venture.<br>But despite the early hurdle, within nine years he had set up two multi-million dollar businesses, https://seriusan.com/ and written a bestselling book.<br>Once dubbed as ‘The Young Aussie Millionaire That Didn’t Finish Uni’ the five-time AFR Young Rich Lister, now 35, runs coaching giant The Entourage, is writing his third book, and has just bought an island in the Whitsundays.<br>Mr Delosa spoke to Daily Mail Australia after spending the previous week on Branson’s private island in the Caribbean, hanging out with the British business  magnate and other high-flying entrepreneurs.<br>In between buggy and bike rides, poolside drinks, tennis and swimming on Necker Island, Mr Delosa said the group shared tips and discussed making the world a better place before Branson gave him some memorable advice over breakfast.<br> Jack Delosa (second right) has spent the last week on Sir Richard Branson’s Necker Island<br> The Entourage founder Jack Delosa (pictured) has made AFR’s Young Rich List five times<br>Branson told Mr Delosa the story of how he scored a $6million discount on planes in the early days of forming Virgin Atlantic after making a bet.<br><div class=”art-ins mol-factbox floatRHS news” data-version=”2″ id=”mol-16932110-fea6-11ec-a76b-ed65ea8903f0″ website Entourage&apos;s Jack Delosa shares advice learned from Richard Branson