The Charlotte Symphony Orchestra is an American orchestra based in Charlotte, North Carolina. As the largest and most active professional performing arts organization in the central Carolinas, the Charlotte Symphony plays approximately 100 performances each season and employs 100 professional musicians, 62 of whom are on full-time contracts. Annual attendance for CSO performances numbers over 200,000. Founded in 1932 by Spanish conductor and composer Guillermo S. de Roxlo leading 15 musicians, the Orchestra was led by conductor Christof Perick from 2001 to 2010. In May 2009, the Charlotte Symphony Orchestra named Christopher Warren-Green its 11th music director, effective with the 2010-2011 season.