By turning what women wear on their wrists into an affinity statement, Carolyn Rafaelian has grown the hippie brand Alex and Ani into a $1 billion company. Now America's richest jeweller is working on world domination—and maybe an IPO
Enterprise software giants use armies of salespeople to hawk imperfect products and endless updates. The two Australian billionaires behind Atlassian have built smarter tools that sell themselves. Just ask Tesla, Snapchat, NASA and the entire Ivy League
Ted Stanley made a fortune on knickknacks, then promised it to medical research on mental illness. His son is bird-dogging that commitment. And, yes, it's personal
Brad Cordova had deeply personal reasons to start a company to combat distracted driving and tap into the new market for data-driven insurance
Successful but speeding toward obsolescence, FreshBooks desperately needed to reinvent its online accounting service. It was almost as if it had to start an entirely new company
Two well-funded startups are battling to build a smartphone-based alternative to Craigslist, the 22-year-old online dinosaur that's been a cash machine for founder and newly minted billionaire Craig Newmark
While Wall Street wasn't looking, accountant Bruce Flatt became a billionaire by assembling one of the world's largest portfolios of office buildings, power plants and infrastructure projects—and making Brookfield Asset Management the safest growth stock on the planet
Modern portfolio theory is the foundation of global money management, but a pair of mathematicians in Boston has revamped it—with market-beating success
In Indian senior living and other fields, Analjit Singh's youngest and her husband try an encore
The VC firm Founders Fund is known for a contrarian approach embodied in its polarising founding partner Peter Thiel. Now Brian Singerman, a games buff from outside the fund's PayPal mafia origins, is taking it to new heights—as long as Thiel's controversial politics does not get in the way
Will Joshua Kushner's multibillion-dollar business survive his President-in-law?