MARI DUARTE OWNER/DIRECTOR   Mari Duarte has been teaching for 32 years.  She has danced in Denmark, Krasnador, Moscow and Lenningrad, Russia.  She has taken classes from choreographers who've worked with Brittany Spears, Janet Jackson, Madonna, Justin Timberlake, and other celebrites.   In 1992 she was invited to work for Disneyworld in Orlando.  In 1999 she was invited to choreograph for Harvard University in Boston.  She's choreographed for many college and high school dance teams, and has won many competition awards for Best Choreography.   Her dancers have danced at Disneyworld, Disneyland, and Carnival Cruise Lines.  Mari is from Kansas where she owned a studio for 19 years.    She studied under instructor Della Warren.