The executive director of the Louisville Ballet has resigned, effective December 31st.Dwight Hutton has led the organization since January of 2009. Hutton has not commented publicly on his resignation, but the ballet's director of marketing tells the Courier-Journal that it was a mutual decision between Hutton and the ballet board of directors. Hutton plans to return to Seattle where his wife and two daughters live.Artistic Director Bruce Simpson will serve as interim executive director until the ballet board hires a replacement.