Green Cross International, Geneva, Switzerland, International Conference for green and inclusive economy, 2015, August William "Bill" Ritter is an American politician. He was the 41st Governor of the
Green Cross International, Geneva, Switzerland, International Conference for green and inclusive economy, 2015, August William "Bill" Ritter is an American politician. He was the 41st Governor of the state of Colorado from 2007 to 2011, as a member of the Democratic Party.