01 Jeff Bezos With a whopping net worth of around $ 112bn , Jeff Bezos has not only earned his stripes as the world ’ s richest tech billionaire – he has also leapfrogged his rivals to stand as the richest person on Earth . The former hedge fund manager turned online bookseller first founded Amazon in his garage in Seattle in 1994 . As CEO of e-commerce juggernaut Amazon , Bezos still owns around 16 % of the firm . Bezos has also invested heavily in space technology , founding aerospace company Blue Origin , and he also owns the Washington Post newspaper . www . amazon . co . uk