Successful entrepreneurs often find a logical transition to becoming an investor or mentor to young startups. South African born and Singapore-based John Fearon, founder of Dropmysite.com, has managed to find a great balance between entrepreneurship, mentorship and investments. John's nest of startups include EatAds, Dropmysite, ApexPEAK and HelpLearn.Asia. Their common thread - a large workspace that they share and John himself, who takes turn playing investor, mentor and management at each of them.