The Entrepreneur Who Became a Billionaire After Being Rejected by Facebook0
- Economics
- June 19, 2019
Jan Koum had a rough upbringing. At 16, he immigrated from Europe to the United States with his mother and grandmother, who were fleeing political unrest and religious persecution. Jan’s mother got a job as a babysitter in California while Jan went to school and worked at a grocery store cleaning floors. His father planned
READ MORE