As tech entrepreneurs move into health, they feel optimism at first…then fall into a ‘pit of despair’

Jim Riley worked as a pilot for California Air National Guard. He flies a fighter jet for fun. He also started several software companies, including Learn.com, which he sold in the late 1990s. But by far the hardest thing he’s ever done in his life? Starting a...

Investors have become a lot more skeptical about billion-dollar start-ups, data shows

Investors are slowing their roll around so-called unicorns, or privately held companies with a valuation of $1 billion or more on paper. According to a new report from PitchBook, only 17 U.S. companies have clicked over to unicorn status so far this year. In both 2014...