William W. Hanna is an executive with Koch Industries. In 2011, Forbes called the industrial conglomerate the second largest privately held company in the United States (after Cargill), with an annual revenue of about $98 billion. Its owners, Charles and David Koch, are among the top 7 wealthiest people in the world, each being worth $31 billion as of 2013. Hanna has been Vice-Chairman, president and EVP of the company.