Similarly, He was known as the 4th richest person in the United States in 2012 and the richest in New York City in 2013. However, he was unable to win his campaign. Indeed, he changed to become a Republican in 1984.įor more information, he contributed $100 Million to defeat President Barack Obama in the re-election. David Koch Source:įor instance, in 1980, he stood as Liberation Candidate for the post of Vice-president of the United States and supported finance and campaign.Īfter that, he funded advocacy groups, political campaigns and endorsed the program ‘Citizens for Sound Economy’ even though they were Republican. Similarly, Koch is known for a political game-changer, and in fact, he became both liberation and republication in his life. In short, Koch owned the largest private company in the United States. He was born on 3rd May 1940 and died on August 23, 2019. Koch, in fact, was able to become a billionaire through the family business started in 1970. David Koch, a renowned American businessman, political game-changer, philanthropist, and chemical engineer, had roughly $50 Billion Net Worth.