In addition to working at NYU Prague, Leah Gaffen is involved in theatre. She and her husband (a puppet maker) founded Puppets in Prague, an international school training professions in the art of making marionettes. She also founded the nonprofit organization Class Acts, which organizes cultural activities for children in English, and in 2013 she and NYU Tisch graduate Jay DeYonker started Story Theatre, a children’s theatre for bilingual kids in Prague. She also does storytelling for young children in the library and at kindergartens.