The Profile: The woman who invented a serial killer & the secretive hedge fund gutting newsrooms

The purpose of this newsletter is to learn from the world's most successful people, but the definition of success is deeply personal.

Good morning, friends!

Spanx founder Sara Blakely is a billionaire (again) after she sold a majority stake of her shapewear company to Blackstone in a deal that values it at $1.2 billion.

Armed with only $5,000 in savings, Blakely founded the brand at 27 years old with no business background, no connections, and no outside funding. By 2012, she was named …