
William Koch

William Koch was born in Palm Beach, Florida, United States. William Koch is #1397 in List Billionaires People In The World. Litigious brother of Charles and David Koch - he is David's twin - William Koch formed his own carbon company after selling his stake in Koch Industries for $470 million in 1983. More recent setback: In 2015, a judge in Texas ordered him to pay $1.8 million for breeding valuable Japanese Akaushi cattle into the herd at his Wild West-themed Colorado ranch (although that was considerably less than the $23 million jury verdict in the case). Elsewhere in the state, he's got his Castle Creek ranch in Aspen on the market for $80 million.
2009 | $1.5 Billion |
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2010 | $3.4 Billion |
2011 | $4 Billion |
2012 | $4 Billion |
2013 | $3.8 Billion |
2014 | $3.3 Billion |
2015 | $2.2 Billion |
2016 | $1.9 Billion |
2017 | $1.3 Billion |
2018 | $1.72 Billion |