Ethan is the Director of Data Science at the American Numismatic Society. With more than ten years of experience in digital humanities and cultural heritage web development projects, Ethan is responsible for developing all of the Society's digital collections (MANTIS), library, archives (Archer), and research information systems, like Online Coins of the Roman Empire (OCRE) and PELLA. Specializing in Semantic Web technologies, Ethan is on the scientific committee for and chief software developer of Nomisma.org, an international collaboration to define the intellectual concepts of numismatics following Linked Open Data methodologies and aggregate numismatic content that makes projects like OCRE and PELLA possible. He is also on the scientific committee and co-PI for the NEH-funded UVA-affiliated project, Kerameikos.org, a Linked Open Data project for Greek pottery, and the primary driving force behind the digitization and dissemination of the Fralin Museum of Art's numismatic collection.