Whitney Wolfe Herd went from growing up in a conservative, patriarchal community to establishing the women-centric dating app Bumble. After taking Bumble public, she became a billionaire—the youngest woman to do so at the time. Wolfe Herd is also a cofounder of Tinder...

Larry Ellison overcame a childhood bout of pneumonia to go on to cofound Oracle, the database-management company for which he is best known. Under his longtime leadership as CEO, Oracle grew into one of the world’s most successful companies. He has drawn criticism for...

Michael Dell, the founder of Dell, Inc., and the chairman and CEO of Dell Technologies, established the company that would become Dell in his college dorm room. Through his visionary leadership, it grew into the world’s No. 1 seller of personal computers (PCs). As PC...

John Foley is an American entrepreneur best known as one of the cofounders of Peloton. Under his leadership, the remote-fitness startup grew into a household name, making him a billionaire in the process. He left Peloton when the company's growth stagnated but has...

Bill Gates is the cofounder of Microsoft and one of the leading technology entrepreneurs of his time. Under his leadership, Microsoft helped to define the early personal computing era through the release of such products as MS-DOS, Windows, and Office. The success...