A playwright based in New York City and the Pocono Mountains, Kempson's plays have been presented all over the world, from New York to Omaha, Bonn, Germany to Skien, Norway—including Minneapolis: at the Walker with Elevator Repair Service (in the 2013 Walker-commissioned work Fondly, Collette Richland), at Red Eye Theater Company (Ich, Kürbisgeist and Potatoes of August), and in reading form at the Playwrights Center (The Securely Conferred, Vouchsafed Keepsakes of Maery S.).