Jan Koum: From Nothing to Billions

Imagine standing in line for food stamps, then returning to that same building years later to sign a $19 billion deal. This is the incredible journey of Jan Koum, the man behind WhatsApp.

Imagine standing in line for food stamps, then returning to that same building years later to sign a $19 billion deal. This is the incredible journey of Jan Koum, the man behind WhatsApp.

What would you do if every expert told you "no"? Sara Blakely didn't listen. She used her life savings and a bold bathroom pitch to change the fashion industry forever. This is the story of Spanx.

From 242 rejections from investors to building Starbucks into the world's most famous "third place."