The longest time an enron CEO spent behind bars was 12 years. Richard DeLisi was sentenced to 90 years for a nonviolent marijuana charge and spent over 30 behin

The longest time an enron CEO spent behind bars was 12 years. Richard DeLisi was sentenced to 90 years for a nonviolent marijuana charge and spent over 30 behind bars before being pardoned. Kind of puts "serious" prison terms in perspective.