Aaron Posner is an American playwright and theater director. He was co-founder of the Arden Theatre Company in Philadelphia and was the artistic director of Two River Theatre from 2006 to 2010. He has directed over 100 productions at major regional theater companies across the country. He has won many awards including six Helen Hayes Awards, two Barrymore Awards, the Outer Critics Circle Award, the John Gassner Prize, a Joseph Jefferson Award,a Bay Area Theatre Award, an Eliot Norton Award, and many more.