John Hash is a Product Engineer on the ArcGIS Enterprise SDK team and has been at Esri since 2023. In this role, he supports custom data feeds through documentation and quality assessment of the software, as well as advocating for developer-user needs. For almost 20 years, John has participated in research on biogeography, biodiversity, and evolution of flies. John received a BS in Computer Science from Oregon State University; a BS and MS in Biology from California State University, Bakersfield; and a PhD in Entomology from the University of California, Riverside.