Warren Buffett is an American business magnate, investor, and philanthropist. He is considered by some to be one of the most successful investors in the world. He is the fourth wealthiest person in the world, with a total net worth of $73.3 billion USD. Warren buffet share his thoughts on what makes a great employee, the habits one should instill in one self to thrive and succeed in life. The story of how Mrs. B AKA Rose Blumkin turned a few hundred dollars into a thriving business worth billions today. The Nebraska Furniture Mart.