Attila Szegedi is a Principal Member of the Technical Staff at Oracle, currently working on the Nashorn JavaScript runtime for the JVM. Before Oracle, Attila worked as a Staff Engineer in Twitter’s Runtime Systems group. He is known for his work on Open Source projects: Mozilla Rhino, an earlier JavaScript runtime for the JVM; Kiji, Twitter’s server-optimized Ruby runtime; Dynalink, the dynamic linker framework for languages on the JVM; and the FreeMarker templating language runtime.