To receive updates sign up with your email CHARLES G. KOCH Charles is chairman of the board and CEO of Koch Industries. During his tenure with the company, the estimated value has grown from $21 million to more than $100 billion. His 2015 book, “Good Profit” was a New York Times bestseller. Charles and his wife, Liz, have been married for more than 40 years and live in Wichita, Kansas. They have two children, Elizabeth and Chase.