Michael Henson, the much hated president and CEO of the Minnesota Orchestra, will step down in August. Henson, who joined the orchestra in 2007, became a conflict figure during the 16-month labor dispute that ended in January. Musicians as well as the former Music Director Osmo Vänskä asked Henson to quit the orchestra. Vänskä will conduct the orchestra March 27-29, for the first time in almost two years.