05 Larry Page American computer scientist and Internet entrepreneur , Larry Page , made his fortune after he co-founded search engine giant Google with Sergey Brin . Today , he sits at the helm of Alphabet – the parent company behind Google – Google ’ s healthcare subsidiary Calico , smart home appliance division Nest and more . Data from Forbes ’ list of The World ’ s Billionaires suggests Page ’ s net worth is around $ 48.8bn , making him the fifth richest technology billionaire in the world . www . google . com