 Gilbert was the school's fourth director since its inception in 1984.Prior to that, he served as head of UArts' Musical Theater Program since its inaugural year in 1990 and nurtured its growth to a position of national and international prominence.Gilbert wrote music and lyrics for Gemini, the Musical (libretto by Albert Innaurato, based on his play Gemini), which premiered at the Prince Music Theater in Philadelphia in 2004 and had its New York premiere at the New York Musical Theatre Festival in 2007; he received a Barrymore nomination for Outstanding Original Music for that score.