Money runs the world and every adult around the globe is working hard to make ends meet. People who work hard with a lot of determination can achieve their goals. At least four men have achieved their financial dreams from their business ventures. These wealthy men in America have hired thousands of people to help their investments multiply. Here are four of the wealthiest men in America.

1. Bill Gates

Bill Gates co-founded Microsoft with Paul Allen, according to Business Insider. The company became public before he turned 31 and he became a billionaire.

He served as the CEO of the company until the year 2000 and remained its chairman and largest shareholder until 2014. He is still a member of the company’s board but is not actively involved in the matters of the business. Gates is considered to be a very generous person. He and his wife have one of the most powerful charities in the world, the "Bill & Melinda Gates Foundation."

Net Worth: $85.2 billion

2. Warren Buffett

According to World’s Trending Post, Warren Buffett is the chairman of Berkshire Hathaway, a philanthropist, and a business tycoon. He is considered to be the best investor and apparently, he invested his assets when he was young to develop a business. He is the second wealthiest individual in America and among the world’s billionaires.

Warren was interested in business and youth development, and that’s where he got his motivation. He has been the biggest shareholder of Berkshire Hathaway since 1970. He is also generous like his friend Bill Gates and supportive of charity.

Net Worth: $77.2 billion

3. Jeff Bezos

According to Motley Fool, Jeff Bezos founded in 1994 after leaving a career on Wall Street.

He has grown the site from a humble seller of books into one of the world’s greatest companies. Amazon has helped industries sell their products through the platform via online shipping. Companies that manufacture products, entertainment and computing industries have achieved a lot through Amazon. The company is still growing and has expanded to many nations worldwide.

He has also invested in his self-owned space company, Blue Origin, and owns The Washington Post.

Net Worth: $73.1 billion

4. Mark Zuckerberg

In 2004, Mark Zuckerberg launched Facebook, a rudimentary version of the current Facebook. According to Business Insider, Mark dropped out of Harvard to work entirely as the CEO of Facebook, making the site grow in popularity. Currently, the social site attracts over a billion users and its worth almost $400 billion. Zuckerberg is the youngest among the top wealthiest men in the world. He is just 32-years-old. In December 2015, Mark and his wife Priscilla Chan pledged to give 99 percent of their wealth to charity.

Net Worth: $58.5 billion