The Richest 'Shark Tank' Shark's Net Worth Just Increased To $5 Billion - See Who It Is!

Barbara Corcoran – $100 Million

After quitting her job as a waitress, Barbara borrowed $1,000 to start a tiny real estate company in New York City. Over the next 25 years, she turned that first $1,000 loan into a $5 billion real estate business, building the largest and best-known brand in the business.